-by: Glauber Costa glom...@parallels.com
Reviewed-by: Kirill A. Shutemov kir...@shutemov.name
CC: Paul Menage p...@paulmenage.org
CC: Greg Thelen gthe...@google.com
---
Documentation/cgroups/memory.txt | 36 ++-
init/Kconfig | 14 ++
mm/memcontrol.c
bytesbytes secs.per sec
16384 87380 11 10.0035304.35
16384 87380
Glauber Costa (8):
Basic kernel memory functionality for the Memory Controller
socket: initial cgroup code.
foundations of per-cgroup memory pressure controlling.
per-cgroup tcp buffers
We aim to control the amount of kernel memory pinned at any
time by tcp sockets. To lay the foundations for this work,
this patch adds a pointer to the kmem_cgroup to the socket
structure.
Signed-off-by: Glauber Costa glom...@parallels.com
Acked-by: Kirill A. Shutemovkir...@shutemov.name
Reviewed
This patch uses the tcp_max_mem field of the kmem_cgroup to
effectively control the amount of kernel memory pinned by a cgroup.
We have to make sure that none of the memory pressure thresholds
specified in the namespace are bigger than the current cgroup.
Signed-off-by: Glauber Costa glom
-by: Glauber Costa glom...@parallels.com
CC: David S. Miller da...@davemloft.net
CC: Hiroyouki Kamezawa kamezawa.hir...@jp.fujitsu.com
CC: Eric W. Biederman ebied...@xmission.com
---
crypto/af_alg.c |7 ++-
include/linux/memcontrol.h | 29 +++-
include/net/sock.h
This patch introduces kmem.tcp_current_memory file, living in the
kmem_cgroup filesystem. It is a simple read-only file that displays the
amount of kernel memory currently consumed by the cgroup.
Signed-off-by: Glauber Costa glom...@parallels.com
CC: David S. Miller da...@davemloft.net
CC
This patch allows each namespace to independently set up
its levels for tcp memory pressure thresholds. This patch
alone does not buy much: we need to make this values
per group of process somehow. This is achieved in the
patches that follows in this patchset.
Signed-off-by: Glauber Costa glom
Since this code is still experimental, we are leaving the exact
details of how to move tasks between cgroups when kernel memory
accounting is used as future work.
For now, we simply disallow movement if there are any pending
accounted memory.
Signed-off-by: Glauber Costa glom...@parallels.com
CC
On 10/05/2011 04:29 AM, KAMEZAWA Hiroyuki wrote:
On Tue, 4 Oct 2011 16:17:52 +0400
Glauber Costaglom...@parallels.com wrote:
[[ v3: merge Kirill's suggestions, + a destroy-related bugfix ]]
[[ v4: Fix a bug with non-mounted cgroups + disallow task movement ]]
[[ v5: Compile bug with modular
On 10/04/2011 04:48 PM, Eric Dumazet wrote:
Le mardi 04 octobre 2011 à 16:17 +0400, Glauber Costa a écrit :
This patch uses the tcp_max_mem field of the kmem_cgroup to
effectively control the amount of kernel memory pinned by a cgroup.
We have to make sure that none of the memory pressure
On 10/05/2011 12:58 PM, Eric Dumazet wrote:
Le mercredi 05 octobre 2011 à 12:08 +0400, Glauber Costa a écrit :
On 10/04/2011 04:48 PM, Eric Dumazet wrote:
2) Could you add const qualifiers when possible to your pointers ?
Well, I'll go over the patches again and see where I can add them
On 10/07/2011 12:05 PM, KAMEZAWA Hiroyuki wrote:
Sorry for lazy answer.
Hi Kame,
Now matter how hard you try, you'll never be as lazy as I am. So that's
okay.
On Wed, 5 Oct 2011 11:25:50 +0400
Glauber Costaglom...@parallels.com wrote:
On 10/05/2011 04:29 AM, KAMEZAWA Hiroyuki wrote:
with re-use of the files)
* softlimit and failcnt are not shown, but I intend to introduce them
in a followup series (failcnt is easy, but softlimit may need some more
network-side work, at least testing)
I will be happy to address any comments you may have.
Glauber Costa (8):
Basic kernel
We aim to control the amount of kernel memory pinned at any
time by tcp sockets. To lay the foundations for this work,
this patch adds a pointer to the kmem_cgroup to the socket
structure.
Signed-off-by: Glauber Costa glom...@parallels.com
Acked-by: Kirill A. Shutemovkir...@shutemov.name
Reviewed
This patch allows each namespace to independently set up
its levels for tcp memory pressure thresholds. This patch
alone does not buy much: we need to make this values
per group of process somehow. This is achieved in the
patches that follows in this patchset.
Signed-off-by: Glauber Costa glom
-by: Glauber Costa glom...@parallels.com
Reviewed-by: Kirill A. Shutemov kir...@shutemov.name
CC: Paul Menage p...@paulmenage.org
CC: Greg Thelen gthe...@google.com
---
Documentation/cgroups/memory.txt | 36 ++-
init/Kconfig | 14 ++
mm/memcontrol.c
This patch introduces kmem.tcp_current_memory file, living in the
kmem_cgroup filesystem. It is a simple read-only file that displays the
amount of kernel memory currently consumed by the cgroup.
Signed-off-by: Glauber Costa glom...@parallels.com
CC: David S. Miller da...@davemloft.net
CC
-by: Glauber Costa glom...@parallels.com
CC: David S. Miller da...@davemloft.net
CC: Hiroyouki Kamezawa kamezawa.hir...@jp.fujitsu.com
CC: Eric W. Biederman ebied...@xmission.com
---
crypto/af_alg.c |8 +++-
include/linux/memcontrol.h | 22 -
include/net/sock.h
With all the infrastructure in place, this patch implements
per-cgroup control for tcp memory pressure handling.
Signed-off-by: Glauber Costa glom...@parallels.com
CC: KAMEZAWA Hiroyuki kamezawa.hir...@jp.fujtisu.com
CC: David S. Miller da...@davemloft.net
CC: Eric W. Biederman ebied
Since this code is still experimental, we are leaving the exact
details of how to move tasks between cgroups when kernel memory
accounting is used as future work.
For now, we simply disallow movement if there are any pending
accounted memory.
Signed-off-by: Glauber Costa glom...@parallels.com
CC
This patch uses the tcp_max_mem field of the kmem_cgroup to
effectively control the amount of kernel memory pinned by a cgroup.
We have to make sure that none of the memory pressure thresholds
specified in the namespace are bigger than the current cgroup.
Signed-off-by: Glauber Costa glom
are expected for soft limits, which are not handled.
Please consider this for inclusion in your tree
Thanks,
Glauber Costa (8):
Basic kernel memory functionality for the Memory Controller
socket: initial cgroup code.
foundations of per-cgroup memory pressure controlling.
per-cgroup tcp buffers
-by: Glauber Costa glom...@parallels.com
Reviewed-by: Kirill A. Shutemov kir...@shutemov.name
Reviewed-by: KAMEZAWA Hiroyuki kamezawa.hir...@jp.fujitsu.com
CC: Paul Menage p...@paulmenage.org
CC: Greg Thelen gthe...@google.com
---
Documentation/cgroups/memory.txt | 36 ++-
init/Kconfig
-by: Glauber Costa glom...@parallels.com
Reviewed-by: KAMEZAWA Hiroyukikamezawa.hir...@jp.fujitsu.com
CC: David S. Miller da...@davemloft.net
CC: Eric W. Biederman ebied...@xmission.com
---
crypto/af_alg.c |8 +++-
include/linux/memcontrol.h | 22 -
include/net/sock.h
With all the infrastructure in place, this patch implements
per-cgroup control for tcp memory pressure handling.
Signed-off-by: Glauber Costa glom...@parallels.com
Reviewed-by: KAMEZAWA Hiroyukikamezawa.hir...@jp.fujitsu.com
CC: David S. Miller da...@davemloft.net
CC: Eric W. Biederman ebied
This patch introduces kmem.tcp_current_memory file, living in the
kmem_cgroup filesystem. It is a simple read-only file that displays the
amount of kernel memory currently consumed by the cgroup.
Signed-off-by: Glauber Costa glom...@parallels.com
Reviewed-by: KAMEZAWA Hiroyukikamezawa.hir
We aim to control the amount of kernel memory pinned at any
time by tcp sockets. To lay the foundations for this work,
this patch adds a pointer to the kmem_cgroup to the socket
structure.
Signed-off-by: Glauber Costa glom...@parallels.com
Acked-by: Kirill A. Shutemovkir...@shutemov.name
Reviewed
Since this code is still experimental, we are leaving the exact
details of how to move tasks between cgroups when kernel memory
accounting is used as future work.
For now, we simply disallow movement if there are any pending
accounted memory.
Signed-off-by: Glauber Costa glom...@parallels.com
This patch uses the tcp_max_mem field of the kmem_cgroup to
effectively control the amount of kernel memory pinned by a cgroup.
We have to make sure that none of the memory pressure thresholds
specified in the namespace are bigger than the current cgroup.
Signed-off-by: Glauber Costa glom
This patch allows each namespace to independently set up
its levels for tcp memory pressure thresholds. This patch
alone does not buy much: we need to make this values
per group of process somehow. This is achieved in the
patches that follows in this patchset.
Signed-off-by: Glauber Costa glom
Hi guys,
So, linuxcon is approaching. To help making our discussions more
productive, I sketched a basic prototype of a kmem cgroup that can
control the size of the dentry cache. I am sending the code here so you
guys can have an idea, but keep in mind this is a *sketch*. This is my
view of
On 10/14/2011 12:00 AM, David Miller wrote:
From: Glauber Costaglom...@parallels.com
Date: Thu, 13 Oct 2011 17:09:34 +0400
This series was extensively reviewed over the past month, and after
all major comments were merged, I feel it is ready for inclusion when
the next merge window opens.
On 10/14/2011 12:12 AM, David Miller wrote:
From: Glauber Costaglom...@parallels.com
Date: Fri, 14 Oct 2011 00:05:58 +0400
Also, I kind of dispute the affirmation that !cgroup will encompass
the majority of users, since cgroups is being enabled by default by
most vendors. All systemd based
On 10/14/2011 12:16 AM, David Miller wrote:
From: Glauber Costaglom...@parallels.com
Date: Fri, 14 Oct 2011 00:05:58 +0400
Thank you for letting me now about your view of this that early.
I depend upon my colleagues to assist me in the large task that is reviewing
the enormous number of
On 10/14/2011 12:18 AM, David Miller wrote:
From: Glauber Costaglom...@parallels.com
Date: Fri, 14 Oct 2011 00:14:40 +0400
Are you happy, or at least willing to accept, an approach that keep
things as they were with cgroups *compiled out*, or were you referring
to not in use == compiled in,
the network code untouched, and still having a global vision of its
resources. I also do not compute max_usage for the root cgroup, for a similar
reason.
Please let me know what you think of it.
Glauber Costa (10):
Basic kernel memory functionality for the Memory Controller
foundations of per
-by: Glauber Costa glom...@parallels.com
Reviewed-by: Kirill A. Shutemov kir...@shutemov.name
CC: Paul Menage p...@paulmenage.org
CC: Greg Thelen gthe...@google.com
---
Documentation/cgroups/memory.txt | 36 -
init/Kconfig | 14 +
mm/memcontrol.c
here, no performance impact at all is
expected in the case where we don't have cgroups disabled.
Signed-off-by: Glauber Costa glom...@parallels.com
CC: David S. Miller da...@davemloft.net
CC: Hiroyouki Kamezawa kamezawa.hir...@jp.fujitsu.com
CC: Eric W. Biederman ebied...@xmission.com
CC: Eric
This patch introduces kmem.tcp.usage_in_bytes file, living in the
kmem_cgroup filesystem. It is a simple read-only file that displays the
amount of kernel memory currently consumed by the cgroup.
Signed-off-by: Glauber Costa glom...@parallels.com
CC: David S. Miller da...@davemloft.net
CC
This patch allows each namespace to independently set up
its levels for tcp memory pressure thresholds. This patch
alone does not buy much: we need to make this values
per group of process somehow. This is achieved in the
patches that follows in this patchset.
Signed-off-by: Glauber Costa glom
are being used, the admin is allowed to set a
value bigger than cgroup's maximum, the same way it is allowed
to set pretty much unlimited values in a real box.
Signed-off-by: Glauber Costa glom...@parallels.com
CC: David S. Miller da...@davemloft.net
CC: Hiroyouki Kamezawa kamezawa.hir
Since this code is still experimental, we are leaving the exact
details of how to move tasks between cgroups when kernel memory
accounting is used as future work.
For now, we simply disallow movement if there are any pending
accounted memory.
Signed-off-by: Glauber Costa glom...@parallels.com
CC
labels controlling cgroup. To this point, they were always
disabled.
Signed-off-by: Glauber Costa glom...@parallels.com
CC: KAMEZAWA Hiroyuki kamezawa.hir...@jp.fujtisu.com
CC: David S. Miller da...@davemloft.net
CC: Eric W. Biederman ebied...@xmission.com
CC: Eric Dumazet eric.duma...@gmail.com
the maximum memory ever used by this cgroup.
Signed-off-by: Glauber Costa glom...@parallels.com
CC: David S. Miller da...@davemloft.net
CC: Hiroyouki Kamezawa kamezawa.hir...@jp.fujitsu.com
CC: Eric W. Biederman ebied...@xmission.com
---
mm/memcontrol.c | 10 ++
1 files changed, 10 insertions
Ok, I forgot to change the temporary name I was using for the jump label. Shame
on me :)
--- Mensagem Original ---
De: Glauber Costa glom...@parallels.com
Enviado: 7 de novembro de 2011 07/11/11
Para: linux-ker...@vger.kernel.org
Cc: p...@paulmenage.org, l...@cn.fujitsu.com, kamezawa.hir
On 11/07/2011 01:26 PM, Glauber Costa wrote:
Hi all,
This is my new attempt at implementing per-cgroup tcp memory pressure.
I am particularly interested in what the network folks have to comment on
it: my main goal is to achieve the least impact possible in the network code.
Here's a brief
On 11/17/2011 07:35 PM, David Miller wrote:
From: James Bottomleyjbottom...@parallels.com
Date: Tue, 15 Nov 2011 18:27:12 +
Ping on this, please. We're blocked on this patch set until we can get
an ack that the approach is acceptable to network people.
__sk_mem_schedule is now more
On 11/22/2011 12:07 AM, KAMEZAWA Hiroyuki wrote:
On Fri, 18 Nov 2011 17:39:03 -0200
Glauber Costaglom...@parallels.com wrote:
On 11/17/2011 07:35 PM, David Miller wrote:
TCP specific stuff in mm/memcontrol.c, at best that's not nice at all.
How crucial is that? Thing is that as far as I am
it later.
Please let me know if this is acceptable.
Glauber Costa (4):
Change cpustat fields to an array.
Reuse cgroup's parent pointer
Move part of cpuacct code
cpuacct.stat: re-use scheduler statistics for the root cgroup
arch/s390/appldata/appldata_os.c | 16 +-
arch/x86/include
We already have a pointer to the cgroup parent (whose data is more likely
to be in the cache than this, anyway), so there is no need to have this one
in cpuacct.
This patch makes the underlying cgroup be used instead.
Signed-off-by: Glauber Costa glom...@parallels.com
CC: Paul Tuner p
This patch changes fields in cpustat from a structure, to an
u64 array. Math gets easier, and the code is more flexible.
Signed-off-by: Glauber Costa glom...@parallels.com
CC: Paul Tuner p...@google.com
CC: Peter Zijlstra a.p.zijls...@chello.nl
---
arch/s390/appldata/appldata_os.c | 16
This patch is just a preparation patch for the next one in the series.
It moves the cpuacct structure definition and some helper functions early
in the file so we can access its members from here on.
Signed-off-by: Glauber Costa glom...@parallels.com
CC: Paul Tuner p...@google.com
CC: Peter
it here.
Signed-off-by: Glauber Costa glom...@parallels.com
CC: Paul Tuner p...@google.com
CC: Peter Zijlstra a.p.zijls...@chello.nl
---
kernel/sched.c | 118 ++--
1 files changed, 72 insertions(+), 46 deletions(-)
diff --git a/kernel/sched.c b
if there
are any blocking concerns to this, and I'll address them as soon as I can.
Thanks
Glauber Costa (10):
Basic kernel memory functionality for the Memory Controller
foundations of per-cgroup memory pressure controlling.
socket: initial cgroup code.
Account tcp memory as kernel memory
per-netns
until the first non-root cgroup is created. So when nobody
is using cgroups, even if it is mounted, no significant performance
penalty should be seen.
This patch handles the generic part of the code, and has nothing
tcp-specific.
Signed-off-by: Glauber Costa glom...@parallels.com
Acked-by: Kirill
here, no performance impact at all is
expected in the case where we don't have cgroups disabled.
Signed-off-by: Glauber Costa glom...@parallels.com
CC: David S. Miller da...@davemloft.net
CC: Hiroyouki Kamezawa kamezawa.hir...@jp.fujitsu.com
CC: Eric W. Biederman ebied...@xmission.com
CC: Eric
-by: Glauber Costa glom...@parallels.com
Reviewed-by: Kirill A. Shutemov kir...@shutemov.name
CC: Paul Menage p...@paulmenage.org
CC: Greg Thelen gthe...@google.com
---
Documentation/cgroups/memory.txt | 36 -
init/Kconfig | 14 +
mm/memcontrol.c
This patch allows each namespace to independently set up
its levels for tcp memory pressure thresholds. This patch
alone does not buy much: we need to make this values
per group of process somehow. This is achieved in the
patches that follows in this patchset.
Signed-off-by: Glauber Costa glom
-by: Glauber Costa glom...@parallels.com
CC: David S. Miller da...@davemloft.net
CC: Hiroyouki Kamezawa kamezawa.hir...@jp.fujitsu.com
CC: Eric W. Biederman ebied...@xmission.com
---
net/ipv4/tcp_memcg.c | 31 +++
1 files changed, 31 insertions(+), 0 deletions(-)
diff
This patch introduces kmem.tcp.usage_in_bytes file, living in the
kmem_cgroup filesystem. It is a simple read-only file that displays the
amount of kernel memory currently consumed by the cgroup.
Signed-off-by: Glauber Costa glom...@parallels.com
CC: David S. Miller da...@davemloft.net
CC
the maximum memory ever used by this cgroup.
Signed-off-by: Glauber Costa glom...@parallels.com
CC: David S. Miller da...@davemloft.net
CC: Hiroyouki Kamezawa kamezawa.hir...@jp.fujitsu.com
CC: Eric W. Biederman ebied...@xmission.com
---
net/ipv4/tcp_memcg.c | 12 +++-
1 files changed, 11
Since this code is still experimental, we are leaving the exact
details of how to move tasks between cgroups when kernel memory
accounting is used as future work.
For now, we simply disallow movement if there are any pending
accounted memory.
Signed-off-by: Glauber Costa glom...@parallels.com
CC
Now that we account and control tcp memory buffers memory for pressure
controlling purposes, display this information as part of the normal memcg
files and other usages.
Signed-off-by: Glauber Costa glom...@parallels.com
CC: KAMEZAWA Hiroyuki kamezawa.hir...@jp.fujtisu.com
CC: Eric W. Biederman
On 11/26/2011 11:21 AM, Paul Turner wrote:
On Thu, Nov 24, 2011 at 5:33 PM, Glauber Costaglom...@parallels.com wrote:
This patch is just a preparation patch for the next one in the series.
It moves the cpuacct structure definition and some helper functions early
in the file so we can access
On 11/28/2011 02:32 AM, KAMEZAWA Hiroyuki wrote:
On Fri, 25 Nov 2011 15:38:16 -0200
Glauber Costaglom...@parallels.com wrote:
Since this code is still experimental, we are leaving the exact
details of how to move tasks between cgroups when kernel memory
accounting is used as future work.
For
On 11/28/2011 12:24 AM, KAMEZAWA Hiroyuki wrote:
On Fri, 25 Nov 2011 15:38:07 -0200
Glauber Costaglom...@parallels.com wrote:
This patch lays down the foundation for the kernel memory component
of the Memory Controller.
As of today, I am only laying down the following files:
*
Hi,
This is the same series I've already sent before. Just sending again
after the conflict with the code that was in tip.git
Best regards,
Glauber Costa (3):
Change cpustat fields to an array.
Reuse cgroup's parent pointer
cpuacct.stat: re-use scheduler statistics for the root cgroup
This patch changes fields in cpustat from a structure, to an
u64 array. Math gets easier, and the code is more flexible.
Signed-off-by: Glauber Costa glom...@parallels.com
Reviewed-by: KAMEZAWA Hiroyuki kamezawa.hir...@jp.fujitsu.com
CC: Paul Tuner p...@google.com
CC: Peter Zijlstra a.p.zijls
We already have a pointer to the cgroup parent (whose data is more likely
to be in the cache than this, anyway), so there is no need to have this one
in cpuacct.
This patch makes the underlying cgroup be used instead.
Signed-off-by: Glauber Costa glom...@parallels.com
Reviewed-by: KAMEZAWA
it here.
Signed-off-by: Glauber Costa glom...@parallels.com
CC: Paul Tuner p...@google.com
CC: Peter Zijlstra a.p.zijls...@chello.nl
---
kernel/sched/core.c | 165 +++---
kernel/sched/sched.h | 33 +-
2 files changed, 105 insertions(+), 93
On 11/28/2011 12:55 AM, KAMEZAWA Hiroyuki wrote:
On Fri, 25 Nov 2011 15:38:08 -0200
Glauber Costaglom...@parallels.com wrote:
This patch replaces all uses of struct sock fields' memory_pressure,
memory_allocated, sockets_allocated, and sysctl_mem to acessor
macros. Those macros can either
know if there is anything else I should address.
Glauber Costa (10):
Basic kernel memory functionality for the Memory Controller
foundations of per-cgroup memory pressure controlling.
socket: initial cgroup code.
tcp memory pressure controls
per-netns ipv4 sysctl_tcp_mem
tcp buffer
here, no performance impact at all is
expected in the case where we don't have cgroups disabled.
Signed-off-by: Glauber Costa glom...@parallels.com
CC: David S. Miller da...@davemloft.net
CC: Hiroyouki Kamezawa kamezawa.hir...@jp.fujitsu.com
CC: Eric W. Biederman ebied...@xmission.com
CC: Eric
-by: Glauber Costa glom...@parallels.com
Reviewed-by: Kirill A. Shutemov kir...@shutemov.name
CC: Paul Menage p...@paulmenage.org
CC: Greg Thelen gthe...@google.com
---
Documentation/cgroups/memory.txt | 46 -
init/Kconfig | 14 +
mm/memcontrol.c
This patch allows each namespace to independently set up
its levels for tcp memory pressure thresholds. This patch
alone does not buy much: we need to make this values
per group of process somehow. This is achieved in the
patches that follows in this patchset.
Signed-off-by: Glauber Costa glom
until the first non-root cgroup is created. So when nobody
is using cgroups, even if it is mounted, no significant performance
penalty should be seen.
This patch handles the generic part of the code, and has nothing
tcp-specific.
Signed-off-by: Glauber Costa glom...@parallels.com
Acked-by: Kirill
are being used, the admin is allowed to set a
value bigger than cgroup's maximum, the same way it is allowed
to set pretty much unlimited values in a real box.
Signed-off-by: Glauber Costa glom...@parallels.com
CC: David S. Miller da...@davemloft.net
CC: Hiroyouki Kamezawa kamezawa.hir
This patch introduces memory pressure controls for the tcp
protocol. It uses the generic socket memory pressure code
introduced in earlier patches, and fills in the
necessary data in cg_proto struct.
Signed-off-by: Glauber Costa glom...@parallels.com
CC: KAMEZAWA Hiroyuki kamezawa.hir
This patch introduces kmem.tcp.usage_in_bytes file, living in the
kmem_cgroup filesystem. It is a simple read-only file that displays the
amount of kernel memory currently consumed by the cgroup.
Signed-off-by: Glauber Costa glom...@parallels.com
CC: David S. Miller da...@davemloft.net
CC
-by: Glauber Costa glom...@parallels.com
CC: David S. Miller da...@davemloft.net
CC: Hiroyouki Kamezawa kamezawa.hir...@jp.fujitsu.com
CC: Eric W. Biederman ebied...@xmission.com
---
net/ipv4/tcp_memcontrol.c | 31 +++
1 files changed, 31 insertions(+), 0 deletions
the maximum memory ever used by this cgroup.
Signed-off-by: Glauber Costa glom...@parallels.com
CC: David S. Miller da...@davemloft.net
CC: Hiroyouki Kamezawa kamezawa.hir...@jp.fujitsu.com
CC: Eric W. Biederman ebied...@xmission.com
---
net/ipv4/tcp_memcontrol.c | 12 +++-
1 files changed, 11
Since this code is still experimental, we are leaving the exact
details of how to move tasks between cgroups when kernel memory
accounting is used as future work.
For now, we simply disallow movement if there are any pending
accounted memory.
Signed-off-by: Glauber Costa glom...@parallels.com
CC
static void proto_seq_printf(struct seq_file *seq, struct proto *proto)
{
+ struct mem_cgroup *memcg = mem_cgroup_from_task(current);
+
seq_printf(seq, %-9s %4u %6d %6ld %-3s %6u %-3s %-10s
%2c %2c %2c %2c %2c %2c %2c %2c %2c %2c %2c %2c %2c %2c
On 11/29/2011 11:49 PM, KAMEZAWA Hiroyuki wrote:
-static struct mem_cgroup *mem_cgroup_from_cont(struct cgroup *cont)
+struct mem_cgroup *mem_cgroup_from_cont(struct cgroup *cont)
{
return container_of(cgroup_subsys_state(cont,
mem_cgroup_subsys_id),
On 11/30/2011 12:11 AM, KAMEZAWA Hiroyuki wrote:
On Tue, 29 Nov 2011 21:56:51 -0200
Glauber Costaglom...@parallels.com wrote:
Hi,
This patchset implements per-cgroup tcp memory pressure controls. It did not
change
significantly since last submission: rather, it just merges the comments Kame
On 11/30/2011 12:22 AM, KAMEZAWA Hiroyuki wrote:
On Tue, 29 Nov 2011 21:57:01 -0200
Glauber Costaglom...@parallels.com wrote:
Since this code is still experimental, we are leaving the exact
details of how to move tasks between cgroups when kernel memory
accounting is used as future work.
For
On 12/04/2011 11:59 PM, KAMEZAWA Hiroyuki wrote:
On Fri, 2 Dec 2011 15:46:46 -0200
Glauber Costaglom...@parallels.com wrote:
static void proto_seq_printf(struct seq_file *seq, struct proto *proto)
{
+ struct mem_cgroup *memcg = mem_cgroup_from_task(current);
+
On 12/05/2011 12:06 AM, KAMEZAWA Hiroyuki wrote:
On Fri, 2 Dec 2011 16:04:08 -0200
Glauber Costaglom...@parallels.com wrote:
On 11/30/2011 12:11 AM, KAMEZAWA Hiroyuki wrote:
On Tue, 29 Nov 2011 21:56:51 -0200
Glauber Costaglom...@parallels.com wrote:
Hi,
This patchset implements
On 12/05/2011 12:18 AM, KAMEZAWA Hiroyuki wrote:
On Fri, 2 Dec 2011 16:11:56 -0200
Glauber Costaglom...@parallels.com wrote:
On 11/30/2011 12:22 AM, KAMEZAWA Hiroyuki wrote:
On Tue, 29 Nov 2011 21:57:01 -0200
Glauber Costaglom...@parallels.com wrote:
Since this code is still
Hi,
Specially Peter and Paul, but all the others:
As you can see in https://lkml.org/lkml/2011/12/4/178, and in my answer
to that, there is a question - one I've asked before but without that
much of an audience - of whether /proc files read from process living on
cgroups should display
On 12/05/2011 07:51 AM, KAMEZAWA Hiroyuki wrote:
On Mon, 5 Dec 2011 07:09:51 -0200
Glauber Costaglom...@parallels.com wrote:
On 12/05/2011 12:06 AM, KAMEZAWA Hiroyuki wrote:
On Fri, 2 Dec 2011 16:04:08 -0200
Glauber Costaglom...@parallels.com wrote:
On 11/30/2011 12:11 AM, KAMEZAWA
pointer (which is cleaner anyway)
The rest should be mostly the same except for small fixes and style changes.
Glauber Costa (9):
Basic kernel memory functionality for the Memory Controller
foundations of per-cgroup memory pressure controlling.
socket: initial cgroup code.
tcp memory pressure
here, no performance impact at all is
expected in the case where we don't have cgroups disabled.
Signed-off-by: Glauber Costa glom...@parallels.com
CC: David S. Miller da...@davemloft.net
CC: Hiroyouki Kamezawa kamezawa.hir...@jp.fujitsu.com
CC: Eric W. Biederman ebied...@xmission.com
CC: Eric
-by: Glauber Costa glom...@parallels.com
Reviewed-by: Kirill A. Shutemov kir...@shutemov.name
CC: Paul Menage p...@paulmenage.org
CC: Greg Thelen gthe...@google.com
---
Documentation/cgroups/memory.txt | 40 ++-
init/Kconfig | 11
mm/memcontrol.c
until the first non-root cgroup is created. So when nobody
is using cgroups, even if it is mounted, no significant performance
penalty should be seen.
This patch handles the generic part of the code, and has nothing
tcp-specific.
Signed-off-by: Glauber Costa glom...@parallels.com
CC: Kirill
This patch allows each namespace to independently set up
its levels for tcp memory pressure thresholds. This patch
alone does not buy much: we need to make this values
per group of process somehow. This is achieved in the
patches that follows in this patchset.
Signed-off-by: Glauber Costa glom
are being used, the admin is allowed to set a
value bigger than cgroup's maximum, the same way it is allowed
to set pretty much unlimited values in a real box.
Signed-off-by: Glauber Costa glom...@parallels.com
CC: David S. Miller da...@davemloft.net
CC: Hiroyouki Kamezawa kamezawa.hir
the maximum memory ever used by this cgroup.
Signed-off-by: Glauber Costa glom...@parallels.com
Reviewed-by: Hiroyouki Kamezawa kamezawa.hir...@jp.fujitsu.com
CC: David S. Miller da...@davemloft.net
CC: Eric W. Biederman ebied...@xmission.com
---
net/ipv4/tcp_memcontrol.c | 12 +++-
1 files
This patch introduces kmem.tcp.usage_in_bytes file, living in the
kmem_cgroup filesystem. It is a simple read-only file that displays the
amount of kernel memory currently consumed by the cgroup.
Signed-off-by: Glauber Costa glom...@parallels.com
Reviewed-by: Hiroyouki Kamezawa kamezawa.hir
-by: Glauber Costa glom...@parallels.com
Reviewed-by: Hiroyouki Kamezawa kamezawa.hir...@jp.fujitsu.com
CC: David S. Miller da...@davemloft.net
CC: Eric W. Biederman ebied...@xmission.com
---
net/ipv4/tcp_memcontrol.c | 31 +++
1 files changed, 31 insertions(+), 0
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