Hi,
I need to know the following for some experiments I'm doing as part of
a school project:
Does OpenVZ support host swapping of guest pages ? That is : if a host
experiences memory pressure, can it swap out some of a guest's (guest
vm) pages and use them ? I assume that if this is possible then
On Fri, 4 Jul 2008 21:33:01 +0900
Daisuke Nishimura <[EMAIL PROTECTED]> wrote:
> On Fri, 4 Jul 2008 19:16:38 +0900, KAMEZAWA Hiroyuki <[EMAIL PROTECTED]>
> wrote:
> > On Fri, 4 Jul 2008 15:24:23 +0900
> > Daisuke Nishimura <[EMAIL PROTECTED]> wrote:
> >
> > > This patch implements force_empty of
> +/**
> + * struct iothrottle_node - throttling rule of a single block device
> + * @node: list of per block device throttling rules
> + * @dev: block device number, used as key in the list
> + * @iorate: max i/o bandwidth (in bytes/s)
> + * @strategy: throttling strategy (0 = leaky bucket, 1 = to
Andreas B Aaen <[EMAIL PROTECTED]> writes:
>
> How do you actually use multiple name spaces in the current implementation in
> the same task if you refer to them indirectly through pids?
> So if I need 500 network namespaces then I need to fork 500 processes.
Currently sockets are explicitly tagg
Tejun Heo <[EMAIL PROTECTED]> writes:
> Yeah, it seems we should agree to disagree here. I think using callback
> for static values is a really bad idea. It obfuscates the code and
> opens up a big hole for awful misuses. Greg, what do you think?
The misuse argument is small because currently
Greg KH <[EMAIL PROTECTED]> writes:
> Sorry, Greg is walking out the door in 30 minutes for a much needed week
> long vacation and can't look into this right now :(
>
> I'll be able to review it next weekend, sorry for the delay.
Understood and no problem.
Eric
__
On Fri, Jul 04, 2008 at 10:57:15PM +0900, Tejun Heo wrote:
> Hello, Eric.
>
> Eric W. Biederman wrote:
> > Thank you for your opinion.
> >
> > Incremental patches to make things more beautiful are welcome.
> >
> > Please remember we are not building lisp. The goal is code that works
> > today.
On Friday 04 July 2008 11:52, Eric W. Biederman wrote:
> Andreas B Aaen <[EMAIL PROTECTED]> writes:
> Answering part of your question. As currently designed you can use
> multiple network namespaces in a single task, and you can place each vlan
> interface in different network namespace. However
Apply the io-throttle controller to the opportune kernel functions. Both
accounting and throttling functionalities are performed by
cgroup_io_throttle().
Signed-off-by: Andrea Righi <[EMAIL PROTECTED]>
---
block/blk-core.c|2 ++
fs/buffer.c | 10 ++
fs/direct-io.c |
Documentation of the block device I/O bandwidth controller: description, usage,
advantages and design.
Signed-off-by: Andrea Righi <[EMAIL PROTECTED]>
---
Documentation/controllers/io-throttle.txt | 265 +
1 files changed, 265 insertions(+), 0 deletions(-)
create mod
This is the core io-throttle kernel infrastructure. It creates the basic
interfaces to cgroups and implements the I/O measurement and throttling
functions.
Signed-off-by: Andrea Righi <[EMAIL PROTECTED]>
---
block/Makefile |2 +
block/blk-io-throttle.c | 529
The objective of the i/o bandwidth controller is to improve i/o performance
predictability of different cgroups sharing the same block devices.
Respect to other priority/weight-based solutions the approach used by this
controller is to explicitly choke applications' requests that directly (or
ind
Hello, Eric.
Eric W. Biederman wrote:
> Thank you for your opinion.
>
> Incremental patches to make things more beautiful are welcome.
>
> Please remember we are not building lisp. The goal is code that works today.
>
> Since we are not talking about correctness of the code. Since we are not
Thank you for your opinion.
Incremental patches to make things more beautiful are welcome.
Please remember we are not building lisp. The goal is code that works today.
Since we are not talking about correctness of the code. Since we are not
talking about interfaces with user space. Since we
dst cache is marked as expired on the per/namespace basis by previous
path. Right now we have to implement selective cache shrinking. This
procedure has been ported from older OpenVz codebase.
Signed-off-by: Denis V. Lunev <[EMAIL PROTECTED]>
---
net/ipv4/route.c | 31 ++
Signed-off-by: Denis V. Lunev <[EMAIL PROTECTED]>
---
include/net/netns/ipv4.h |1 +
net/ipv4/route.c | 79 --
2 files changed, 70 insertions(+), 10 deletions(-)
diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h
index 6ef90b
Hello, Dave!
This series of patches implements selective rt cache flushing to make
sure that in one namespace we'll not been able to affect the performance
of other from the user space.
Regards,
Den
___
Containers mailing list
[EMAIL PROTECTED]
Signed-off-by: Denis V. Lunev <[EMAIL PROTECTED]>
---
include/net/netns/ipv4.h |2 ++
net/ipv4/route.c | 40 ++--
2 files changed, 32 insertions(+), 10 deletions(-)
diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h
index a29adf1..35
Signed-off-by: Denis V. Lunev <[EMAIL PROTECTED]>
---
net/ipv4/route.c |6 +++---
1 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index f99d9db..9725223 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -778,7 +778,7 @@ static void rt_wo
Basically, there is no difference to atomic_read internally or pass it as
a parameter as rt_hash is inline.
Signed-off-by: Denis V. Lunev <[EMAIL PROTECTED]>
---
net/ipv4/route.c | 28 +---
1 files changed, 17 insertions(+), 11 deletions(-)
diff --git a/net/ipv4/route.c
Signed-off-by: Denis V. Lunev <[EMAIL PROTECTED]>
---
include/net/route.h |2 +-
net/ipv4/arp.c |2 +-
net/ipv4/devinet.c |8 +---
net/ipv4/fib_frontend.c | 17 +
net/ipv4/fib_hash.c |6 +++---
net/ipv4/fib_rules.c|2 +-
net/ipv4/
flush delay is used as an external storage for net.ipv4.route.flush sysctl
entry. It is write-only.
The ctl_table->data for this entry is used once. Fix this case to point
to the stack to remove global variable. Do this to avoid additional
variable on struct net in the next patch.
Possible race (
This is required to pass namespace context into rt_cache_flush called from
->flush_cache.
Signed-off-by: Denis V. Lunev <[EMAIL PROTECTED]>
---
include/net/fib_rules.h |2 +-
net/core/fib_rules.c|2 +-
net/decnet/dn_rules.c |2 +-
net/ipv4/fib_rules.c|4 ++--
4 files cha
Signed-off-by: Denis V. Lunev <[EMAIL PROTECTED]>
---
include/net/netns/ipv4.h |1 +
net/ipv4/route.c | 76 ++
2 files changed, 44 insertions(+), 33 deletions(-)
diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h
index 356617
On Fri, 4 Jul 2008 19:16:38 +0900, KAMEZAWA Hiroyuki <[EMAIL PROTECTED]> wrote:
> On Fri, 4 Jul 2008 15:24:23 +0900
> Daisuke Nishimura <[EMAIL PROTECTED]> wrote:
>
> > This patch implements force_empty of swapcgroup.
> >
> > Currently, it simply uncharges all the charges from the group.
> >
> >
Pavel Machek wrote:
> Hi!
>
>
>>This patchset is a part of an effort to change some syscalls behavior for
>>checkpoint restart.
>>
>>When restarting an object that has previously been checkpointed, its state
>>should be unchanged compared to the checkpointed image.
>>For example, a restarted proc
On Fri, 4 Jul 2008 18:40:33 +0900, KAMEZAWA Hiroyuki <[EMAIL PROTECTED]> wrote:
> On Fri, 4 Jul 2008 15:15:36 +0900
> Daisuke Nishimura <[EMAIL PROTECTED]> wrote:
>
> > Hi.
> >
> > This is new version of swapcgroup.
> >
> > Major changes from previous version
> > - Rebased on 2.6.26-rc5-mm3.
> >
Hi, Kamezawa-san.
On Fri, 4 Jul 2008 18:58:45 +0900, KAMEZAWA Hiroyuki <[EMAIL PROTECTED]> wrote:
> On Fri, 4 Jul 2008 15:22:44 +0900
> Daisuke Nishimura <[EMAIL PROTECTED]> wrote:
>
> > /* Swap 50% full? Release swapcache more aggressively.. */
> > -#define vm_swap_full() (nr_swap_pages*2 < tot
Hi!
> This patchset is a part of an effort to change some syscalls behavior for
> checkpoint restart.
>
> When restarting an object that has previously been checkpointed, its state
> should be unchanged compared to the checkpointed image.
> For example, a restarted process should have the same up
On Fri, 4 Jul 2008 15:24:23 +0900
Daisuke Nishimura <[EMAIL PROTECTED]> wrote:
> This patch implements force_empty of swapcgroup.
>
> Currently, it simply uncharges all the charges from the group.
>
> I think there can be other implementations.
>
> What I thought are:
> - move all the charges t
Andreas B Aaen <[EMAIL PROTECTED]> writes:
> Hi,
>
> I am looking into the network namespace implementation because I need an IP
> stack that is capable of talking with a number of separate IP nets with
> possible overlapping IP adresses. My connection to each separate IP-net is
> through a tun
On Fri, 4 Jul 2008 15:22:44 +0900
Daisuke Nishimura <[EMAIL PROTECTED]> wrote:
> /* Swap 50% full? Release swapcache more aggressively.. */
> -#define vm_swap_full() (nr_swap_pages*2 < total_swap_pages)
> +#define vm_swap_full(memcg) ((nr_swap_pages*2 < total_swap_pages) \
> +
On Fri, 4 Jul 2008 15:15:36 +0900
Daisuke Nishimura <[EMAIL PROTECTED]> wrote:
> Hi.
>
> This is new version of swapcgroup.
>
> Major changes from previous version
> - Rebased on 2.6.26-rc5-mm3.
> The new -mm has been released, but these patches
> can be applied on 2.6.26-rc8-mm1 too with on
The problem. When implementing a network namespace I need to be able
to have multiple network devices with the same name. Currently this
is a problem for /sys/class/net/*, /sys/devices/virtual/net/*, and
potentially a few other directories of the form /sys/ ... /net/*.
What this patch does is t
On Fri, 4 Jul 2008 16:48:28 +0900 (JST), [EMAIL PROTECTED] (YAMAMOTO Takashi)
wrote:
> > Hi, Yamamoto-san.
> >
> > Thank you for your comment.
> >
> > On Fri, 4 Jul 2008 15:54:31 +0900 (JST), [EMAIL PROTECTED] (YAMAMOTO
> > Takashi) wrote:
> > > hi,
> > >
> > > > +/*
> > > > + * uncharge all
Eric W. Biederman wrote:
> This patch enables tagging on every class directory if struct class
> has a tag_type.
>
> In addition device_del and device_rename were modified to uses
> sysfs_delete_link and sysfs_rename_link respectively to ensure
> when these operations happen on devices whose class
> Hi, Yamamoto-san.
>
> Thank you for your comment.
>
> On Fri, 4 Jul 2008 15:54:31 +0900 (JST), [EMAIL PROTECTED] (YAMAMOTO
> Takashi) wrote:
> > hi,
> >
> > > +/*
> > > + * uncharge all the entries that are charged to the group.
> > > + */
> > > +void __swap_cgroup_force_empty(struct mem_cgr
Hi, Yamamoto-san.
Thank you for your comment.
On Fri, 4 Jul 2008 15:54:31 +0900 (JST), [EMAIL PROTECTED] (YAMAMOTO Takashi)
wrote:
> hi,
>
> > +/*
> > + * uncharge all the entries that are charged to the group.
> > + */
> > +void __swap_cgroup_force_empty(struct mem_cgroup *mem)
> > +{
> > +
hi,
> +/*
> + * uncharge all the entries that are charged to the group.
> + */
> +void __swap_cgroup_force_empty(struct mem_cgroup *mem)
> +{
> + struct swap_info_struct *p;
> + int type;
> +
> + spin_lock(&swap_lock);
> + for (type = swap_list.head; type >= 0; type = swap_info[typ
39 matches
Mail list logo
