in constrained_alloc().
thank you for catching bug.
Acked-by: KAMEZAWA Hiroyuki [EMAIL PROTECTED]
Signed-off-by: Hugh Dickins [EMAIL PROTECTED]
---
Perhaps appropriate for 2.6.20-stable too - regression since 2.6.19.
mm/oom_kill.c |2 ++
1 file changed, 2 insertions(+)
--- 2.6.21-rc7/mm
On Mon, 23 Apr 2007 19:32:46 +0100
[EMAIL PROTECTED] (Mel Gorman) wrote:
I wasn't even aware of this kernelcore thing. It's pretty nasty-looking.
yet another reminder that this code hasn't been properly reviewed in the
past year or three.
Just now, I'm making memory-unplug patches
On Tue, 24 Apr 2007 10:54:27 +0900
Hisashi Hifumi [EMAIL PROTECTED] wrote:
In the case that changing the same bit concurrently, lock prefix or other
spinlock is needed. But, I think that concurrent bit operation on different
bits
is just like OR operation , so lock prefix is not needed.
against 2.6.21-rc7.. works well.
Signed-Off-By: KAMEZAWA Hiroyuki [EMAIL PROTECTED]
Index: linux-2.6.21-rc7/kernel/sysctl.c
===
--- linux-2.6.21-rc7.orig/kernel/sysctl.c
+++ linux-2.6.21-rc7/kernel/sysctl.c
@@ -76,6 +76,9 @@ extern int
On Wed, 25 Apr 2007 00:42:14 -0700
Andrew Morton [EMAIL PROTECTED] wrote:
On Wed, 25 Apr 2007 12:19:46 +0900 KAMEZAWA Hiroyuki [EMAIL PROTECTED]
wrote:
Make zonelist policy selectable from sysctl.
Assume 2 node NUMA, only node(0) has ZONE_DMA (ZONE_DMA32).
In this case, default
On Mon, 12 Mar 2007 19:57:58 +0100
Michal Hocko [EMAIL PROTECTED] wrote:
What do you think about that. Is this way correct?
If you are sure that your original pages is never freed while you are
migrating it.maybe.
-Kame
-
To unsubscribe from this list: send the line unsubscribe
expansion causes SEGV.
This means that the user program can use only 1 page for its register stack.
This patch fixes the above case by moving register stack to suitable place.
Note) fixing page fault handler seems to be another way...but a bit complicated.
Signed-off-by: KAMEZAWA Hiroyuki [EMAIL
/15/07, KAMEZAWA Hiroyuki [EMAIL PROTECTED] wrote:
This patch fixes ia64's bug in ulimit -s handling. against 2.6.21-rc3.
At first,the address of register stack is defined by this
== ia64_set_rbs_bot()
unsigned long stack_size = current-signal-rlim[RLIMIT_STACK].rlim_max
-16
On Fri, 16 Mar 2007 06:20:47 +0900
KAMEZAWA Hiroyuki [EMAIL PROTECTED] wrote:
On Thu, 15 Mar 2007 09:57:28 -0600
David Mosberger-Tang [EMAIL PROTECTED] wrote:
But aren't you going to be limited to less than a page worth of
register-backing store even with your patch applied because
plz allow me to explain more.
Why register-stack/memory-stack upside down is bad is a bit complicated.
So...this is a test and result for explaining bug.
This is a sample code and its result on 2.6.21-rc3.
Note: base address of memory'stack can be randomly change.
== sample code ==
[EMAIL
On Thu, 15 Mar 2007 11:06:21 -0800
Andrew Morton [EMAIL PROTECTED] wrote:
On Tue, 13 Mar 2007 18:33:20 +0200 Dan Aloni [EMAIL PROTECTED] wrote:
Hello,
This question is relevent to 2.6.20.
I noticed that if the RSS for the stack size is say, 8MB, running
a single-threaded process
node_memory_online_map for nodes
which have memory.
for_each_node_mask(nid, node_memory_online_map) walks all memory-ready-nodes.
This mask is updated at node-hotplug ops.
Signed-Off-By: KAMEZAWA Hiroyuki [EMAIL PROTECTED]
Index: linux-2.6.20/include/linux/nodemask.h
On Tue, 13 Feb 2007 09:29:49 +0100
Andi Kleen [EMAIL PROTECTED] wrote:
In my understanding, a node is a block of cpu, memory, devices.
and there could be cpu-only-node, memory-only-node, device-only-node...
The trouble with this is that you'll need to harden large parts
of code against
On Tue, 13 Feb 2007 09:25:00 -0800 (PST)
Christoph Lameter [EMAIL PROTECTED] wrote:
On Tue, 13 Feb 2007, KAMEZAWA Hiroyuki wrote:
NOD_DATA(nid) is always valid pointer if a node is online.
NODE_DATA(nid)-present_pages can be 0 even if a node is online,
I call this as memory-less-node
On Tue, 13 Feb 2007 10:50:53 -0800 (PST)
Christoph Lameter [EMAIL PROTECTED] wrote:
On Tue, 13 Feb 2007, Martin J. Bligh wrote:
What's wrong with just setting the existing counters like
node_spanned_pages / node_present_pages to zero?
Will this fix the breakage that Kame-san saw?
ambiguous void *pointer usage.
- fixed warnings...misuse of PTR_ERR.
Changelog: v1 - v2
- avoid extra pgdat scanningit is not necessary.
tested on ia64/NUMA with memory-less-node.
Signed-Off-By: KAMEZAWA Hiroyuki [EMAIL PROTECTED]
Index: linux-2.6.20/mm/mempolicy.c
Hi,
From SUSv3, I expected SIGCHLD from dead processes (already reaped by wait(2))
should be cleared. But it seems that such situation is not handled in Linux.
Here is a test program. set sigchld handler and call waitpid() in main().
==
#include stdio.h
#include sys/types.h
#include sys/wait.h
On Mon, 19 Feb 2007 10:22:52 +0200 (EET)
Pekka J Enberg [EMAIL PROTECTED] wrote:
@@ -2987,6 +2987,14 @@
slabp = list_entry(entry, struct slab, list);
check_slabp(cachep, slabp);
check_spinlock_acquired(cachep);
+
+ /*
+ *
On Mon, 19 Feb 2007 12:20:42 +0530
Balbir Singh [EMAIL PROTECTED] wrote:
+int memctlr_mm_overlimit(struct mm_struct *mm, void *sc_cont)
+{
+ struct container *cont;
+ struct memctlr *mem;
+ long usage, limit;
+ int ret = 1;
+
+ if (!sc_cont)
+ goto out;
+
by adjusting register-stack.
Signed-Off-By: KAMEZAWA Hiroyuki [EMAIL PROTECTED]
Index: linux-2.6.21-rc4/arch/ia64/mm/init.c
===
--- linux-2.6.21-rc4.orig/arch/ia64/mm/init.c
+++ linux-2.6.21-rc4/arch/ia64/mm/init.c
@@ -155,7 +155,7
because the
memory stack uses the whole stack.
How about this ?
Signed-Off-By: KAMEZAWA Hiroyuki [EMAIL PROTECTED]
Index: linux-2.6.21-rc4/arch/ia64/mm/init.c
===
--- linux-2.6.21-rc4.orig/arch/ia64/mm/init.c
+++ linux-2.6.21-rc4
On Thu, 22 Mar 2007 21:56:03 -0700
Tony Luck [EMAIL PROTECTED] wrote:
On 3/22/07, KAMEZAWA Hiroyuki [EMAIL PROTECTED] wrote:
I hear some people says that When I set stack-size-limit to 32M,
I want to use 32M of memory stack... and register-stack expansion can
fail because stack is used up
reaped
process.)
please review...
works well on 2.6.20/ia64/NUMA environment and passed my easy test.
Signed-Off-By: KAMEZAWA Hiroyuki [EMAIL PROTECTED]
Index: linux-2.6.20-devel/kernel/signal.c
===
--- linux-2.6.20-devel.orig/kernel
On Tue, 20 Feb 2007 17:22:57 +0300
Oleg Nesterov [EMAIL PROTECTED] wrote:
I'd suggest to make a separate function, but not complicate collect_signal().
okay. I'll try again if people admit me to go ahead.
--- linux-2.6.20-devel.orig/kernel/exit.c
+++ linux-2.6.20-devel/kernel/exit.c
@@
On Tue, 20 Feb 2007 20:20:49 +0300
Oleg Nesterov [EMAIL PROTECTED] wrote:
+ clear_stale_sigchild(current, retval);
But we are not checking that SIGCHLD is blocked?
I'm sorry if I don't read SUSv3 correctly. SUSv3 doesn't define how we
should
do if SIGCHLD is not
On Tue, 20 Feb 2007 15:10:07 -0800 (PST)
Roland McGrath [EMAIL PROTECTED] wrote:
I'm usually the stickler for anal POSIX compliance, but this is one thing
that I did notice a while ago, realized Linux had never done it, and
decided I didn't care.
Okay, I don't think this is a big trouble.
On Fri, 23 Feb 2007 16:37:43 +0100
Nick Piggin [EMAIL PROTECTED] wrote:
+static void dcache_hash_resize(unsigned int new_shift);
+static void mod_nr_dentry(int mod)
+{
+ unsigned long dentry_size;
+
+ dentry_stat.nr_dentry += mod;
+
+ dentry_size = 1 dentry_hash-shift;
+
On Fri, 23 Feb 2007 21:03:37 +0900
Tomoki Sekiyama [EMAIL PROTECTED] wrote:
Hi,
I have observed a problem that write(2) can be blocked for a long time
if a system has several disks and is under heavy I/O pressure. This
patchset is to avoid the problem.
Example of the probrem:
There
On Thu, 22 Feb 2007 10:42:23 -0800 (PST)
Christoph Lameter [EMAIL PROTECTED] wrote:
G. Slab merging
We often have slab caches with similar parameters. SLUB detects those
on bootup and merges them into the corresponding general caches. This
leads to more effective memory
On Tue, 27 Feb 2007 09:50:16 +0900
Tomoki Sekiyama [EMAIL PROTECTED] wrote:
Hi Kamezawa-san,
thanks for your reply.
KAMEZAWA Hiroyuki wrote:
Interesting, but how about adjust this parameter like below instead of
adding new control knob ?(this kind of knob is not easy to use
On Thu, 1 Mar 2007 16:09:15 -0800
Andrew Morton [EMAIL PROTECTED] wrote:
On Thu, 1 Mar 2007 10:12:50 +
[EMAIL PROTECTED] (Mel Gorman) wrote:
Any opinion on merging these patches into -mm
for wider testing?
I'm a little reluctant to make changes to -mm's core mm unless those
On Thu, 1 Mar 2007 21:11:58 -0800 (PST)
Linus Torvalds [EMAIL PROTECTED] wrote:
The whole DRAM power story is a bedtime story for gullible children. Don't
fall for it. It's not realistic. The hardware support for it DOES NOT
EXIST today, and probably won't for several years. And the real fix
there and anti-fragmentation on its own is good enough). Pages hot-added
to ZONE_MOVABLE will always be reclaimable or migratable in the case of
mlock(). Kamezawa Hiroyuki has indicated that his hot-remove patches also
do something like ZONE_MOVABLE. I would hope that his patches could
On Tue, 6 Mar 2007 03:09:27 -0800
Andrew Morton [EMAIL PROTECTED] wrote:
==
Is mask always valid pointer ?
I can only find two `struct irq_chip's in arch/ia64 and they both have a
.mask. And a .unmask. So perhaps that is a misreading of what oopsed.
There are no changes in
This patch fixes boot failure because irq_desc-mask() is NULL.
- Added mask/unmask functions to ia64's irq desc function table.
But I'm not sure this fix is correct or not. please review.
- rename hw_interrupt_type to irq_chip. hw_interrupt_type is old name.
Signed-Off-By: KAMEZAWA Hiroyuki
On Tue, 6 Mar 2007 22:57:10 -0800
Andrew Morton [EMAIL PROTECTED] wrote:
On Wed, 7 Mar 2007 15:23:17 +0900 KAMEZAWA Hiroyuki [EMAIL PROTECTED] wrote:
This patch fixes boot failure because irq_desc-mask() is NULL.
- Added mask/unmask functions to ia64's irq desc function table
On Wed, 02 Jan 2008 17:41:50 -0500
linux-kernel@vger.kernel.org wrote:
static void shrink_active_list(unsigned long nr_pages, struct zone *zone,
- struct scan_control *sc, int priority)
+ struct scan_control *sc, int priority, int file)
On Wed, 02 Jan 2008 17:41:51 -0500
linux-kernel@vger.kernel.org wrote:
Index: linux-2.6.24-rc6-mm1/mm/vmscan.c
===
--- linux-2.6.24-rc6-mm1.orig/mm/vmscan.c 2008-01-02 15:55:55.0
-0500
+++
On Tue, 08 Jan 2008 15:59:46 -0500
Rik van Riel [EMAIL PROTECTED] wrote:
The access ratio based scan rate determination in get_scan_ratio
works ok in most situations, but needs to be corrected in some
corner cases:
- if we run out of swap space, do not bother scanning the anon LRUs
- if we
On Tue, 8 Jan 2008 17:28:56 -0500
Rik van Riel [EMAIL PROTECTED] wrote:
On Tue, 8 Jan 2008 14:18:40 -0800 (PST)
Christoph Lameter [EMAIL PROTECTED] wrote:
On Tue, 8 Jan 2008, Rik van Riel wrote:
Define page_file_cache() function to answer the question:
is page backed by a file?
I like this patch set thank you.
On Tue, 08 Jan 2008 15:59:44 -0500
Rik van Riel [EMAIL PROTECTED] wrote:
Index: linux-2.6.24-rc6-mm1/mm/memcontrol.c
===
--- linux-2.6.24-rc6-mm1.orig/mm/memcontrol.c 2008-01-07 11:55:09.0
On Tue, 08 Jan 2008 15:59:44 -0500
Rik van Riel [EMAIL PROTECTED] wrote:
+ rotate_sum = zone-recent_rotated_file + zone-recent_rotated_anon;
+
+ /* Keep a floating average of RECENT references. */
+ if (unlikely(rotate_sum min(anon, file))) {
+
On Thu, 10 Jan 2008 07:51:33 +0530
Balbir Singh [EMAIL PROTECTED] wrote:
#define PAGE_CGROUP_FLAG_CACHE (0x1) /* charged as cache */
#define PAGE_CGROUP_FLAG_ACTIVE (0x2)/* page is active in this
cgroup */
+#define PAGE_CGROUP_FLAG_FILE(0x4) /* page is file system
On Thu, 10 Jan 2008 08:56:31 +0530
Balbir Singh [EMAIL PROTECTED] wrote:
The control_type feature is gone. We still have cached page
accounting, but we do not allow control of only RSS pages anymore. We
need to control both RSS+cached pages. I do not understand your
question about new
On Tue, 15 Jan 2008 11:37:48 +0900
KOSAKI Motohiro [EMAIL PROTECTED] wrote:
Hi KAME,
+ notify_threshold = (zone-pages_high +
+ zone-lowmem_reserve[MAX_NR_ZONES-1]) * 2;
+
Why MAX_NR_ZONES-1 ?
this is intent to max lowmem_reserve.
Ah, my point is.. how about
On Thu, 13 Sep 2007 22:19:20 +0200
Richard Knutsson [EMAIL PROTECTED] wrote:
+static inline int page_is_pagecache(struct page *page)
Why return it as an 'int' instead of 'bool'?
+{
+ if (!page-mapping || (page-mapping PAGE_MAPPING_ANON))
+ return 0;
+ return 1;
+}
On Mon, 17 Sep 2007 19:47:48 -0700
Andrew Morton [EMAIL PROTECTED] wrote:
On Fri, 31 Aug 2007 19:14:15 +0900 KAMEZAWA Hiroyuki [EMAIL PROTECTED]
wrote:
Makes ZONE_MOVABLE as configurable
Based on zone_ifdef_cleanup_by_renumbering.patch
This patch causes my old dual-pIII machine
On Mon, 10 Sep 2007 22:40:49 +0530
Srivatsa Vaddagiri [EMAIL PROTECTED] wrote:
+ tg-cfs_rq = kzalloc(sizeof(cfs_rq) * num_possible_cpus(), GFP_KERNEL);
+ if (!tg-cfs_rq)
+ goto err;
+ tg-se = kzalloc(sizeof(se) * num_possible_cpus(), GFP_KERNEL);
+ if (!tg-se)
+
if there are requirements and testers.
Signed-off-by: KAMEZAWA Hiroyuki [EMAIL PROTECTED]
---
arch/i386/mm/init.c|5
arch/ia64/mm/init.c|3 +-
arch/powerpc/mm/mem.c | 45 -
arch/sh/mm/init.c
if there are requirements and testers.
Signed-off-by: KAMEZAWA Hiroyuki [EMAIL PROTECTED]
---
arch/i386/mm/init.c|5
arch/ia64/mm/init.c|3 +-
arch/powerpc/mm/mem.c | 45 -
arch/sh/mm/init.c |6
- renamed some functions.
Signed-off-by: KAMEZAWA Hiroyuki [EMAIL PROTECTED]
---
include/linux/fs.h |6 +-
include/linux/mm.h | 40 ---
include/linux/page-cache.h | 118 +
include/linux/swap.h |1
4 files
Make use of page-cache.h functions in /mm layer.
Signed-off-by: KAMEZAWA Hiroyuki [EMAIL PROTECTED]
---
mm/filemap.c| 19 ++-
mm/memory.c |5 +++--
mm/migrate.c|8 ++--
mm/page-writeback.c |4 ++--
mm/rmap.c | 36
Make use of page-cache.h in fs-generic layer.
Signed-off-by: KAMEZAWA Hiroyuki [EMAIL PROTECTED]
---
fs/buffer.c | 43 ++-
fs/fs-writeback.c |2 +-
fs/libfs.c|2 +-
fs/mpage.c| 13 +++--
4 files changed, 31
On Tue, 18 Sep 2007 20:36:10 -0700
Christoph Lameter [EMAIL PROTECTED] wrote:
Make vunmap return the page array that was used at vmap. This is useful
if one has no structures to track the page array but simply stores the
virtual address somewhere. The disposition of the page array can be
On Wed, 19 Sep 2007 15:15:58 -0700 (PDT)
Christoph Lameter [EMAIL PROTECTED] wrote:
On Wed, 19 Sep 2007, KAMEZAWA Hiroyuki wrote:
Hmm, I don't like returning array which someone allocated in past and
forgot.
But that is exactly the point. There is no need to keep track
, is this style acceptable ?
Signed-off-by: KAMEZAWA Hiroyuki [EMAIL PROTECTED]
arch/x86/mm/init_64.c |2 +-
arch/x86/mm/srat_64.c |1 +
mm/sparse-vmemmap.c | 13 -
mm/sparse.c | 12 ++--
4 files changed, 24 insertions(+), 4 deletions(-)
Index: linux-2.6.24
On Thu, 15 Nov 2007 00:56:57 -0800
Andrew Morton [EMAIL PROTECTED] wrote:
eek.
What I now need to do with this patch is
- Work out which patches in -mm it is actually fixing.
- If that is more than one patch then split this patch up into multiple ones.
- Stage the one or more fixup
On Thu, 15 Nov 2007 09:39:15 +
Andy Whitcroft [EMAIL PROTECTED] wrote:
Can you explain this is bug for me. The routine was __init_refok and
therefore ! __init and therefore always present. The logic there must
guarentee it only calls the bootmem allocator in early boot, and the logic
memory hotplug fix against 2.6.23-rc2-mm1.
Changelog
- Divided into 3 patches
- dropped patch against mm/sparse.c ( This was my misunderstanding.)
- merged Andy's suggestion.
All patches are related to memory hotplug.
[1/3] ... export memory_add_physaddr_to_nid to acpi memory hotplug
[2/3]
Fix following reference error (when CONFIG_ACPI_HOTPLUG_MEMORY=m)
==
ERROR: memory_add_physaddr_to_nid [drivers/acpi/acpi_memhotplug.ko]
undefined!
==
Changelog:
- EXPORT_SYMBOL to EXPORT_SYMBOL_GPL.
Signed-off-by: KAMEZAWA Hiroyuki [EMAIL PROTECTED]
arch/x86/mm/srat_64.c |1 +
1
-by: KAMEZAWA Hiroyuki [EMAIL PROTECTED]
arch/x86/mm/init_64.c |2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Index: linux-2.6.24-rc2-mm1/arch/x86/mm/init_64.c
===
--- linux-2.6.24-rc2-mm1.orig/arch/x86/mm/init_64.c
+++ linux
().
Signed-off-by: KAMEZAWA Hiroyuki [EMAIL PROTECTED]
mm/sparse-vmemmap.c | 12 +++-
1 file changed, 11 insertions(+), 1 deletion(-)
Index: linux-2.6.24-rc2-mm1/mm/sparse-vmemmap.c
===
--- linux-2.6.24-rc2-mm1.orig/mm/sparse
On Thu, 15 Nov 2007 16:53:30 -0800
Andrew Morton [EMAIL PROTECTED] wrote:
- return __alloc_bootmem_node(NODE_DATA(node), size, size,
+ return __earlyonly_bootmem_alloc(node, size, size,
__pa(MAX_DMA_ADDRESS));
}
AFACIT this is
On Thu, 15 Nov 2007 16:59:35 -0800
Andrew Morton [EMAIL PROTECTED] wrote:
Index: linux-2.6.24-rc2-mm1/arch/x86/mm/init_64.c
===
--- linux-2.6.24-rc2-mm1.orig/arch/x86/mm/init_64.c
+++
On Thu, 13 Dec 2007 15:03:07 +
+ if (mm != active_mm) {
+ /* Restore region IDs for mm */
+ if (mm active_mm) {
+ activate_context(mm);
+ } else {
+ flush_tlb_all();
+
On Mon, 17 Dec 2007 14:17:26 +0100
Lukas Hejtmanek [EMAIL PROTECTED] wrote:
Hello,
does /proc/sys/vm/swappiness still work as expected?
# /proc/sys/vm# cat swappiness
0
but scp-ing 2GB file causes many processes are swapped out due to increase of
the file cache size. Why? This is
On Tue, 18 Dec 2007 10:38:13 +0900
KAMEZAWA Hiroyuki [EMAIL PROTECTED] wrote:
Is there a way to avoid it except turning off the swap?
Maybe...no.
Ah, sorry. If too much dirty page by ftp is trouble, tuning
/proc/sys/vm/dirty_ratio
/proc/sys/vm/dirty_writeback/centisecs
etc..
may work
On Tue, 18 Dec 2007 01:00:15 -0500
Kyle McMartin [EMAIL PROTECTED] wrote:
On Tue, Dec 18, 2007 at 10:05:45AM +0900, KAMEZAWA Hiroyuki wrote:
On Thu, 13 Dec 2007 15:03:07 +
+ if (mm != active_mm) {
+ /* Restore region IDs for mm */
+ if (mm
On Tue, 18 Dec 2007 22:19:22 + (GMT)
Hugh Dickins [EMAIL PROTECTED] wrote:
1. Why is spin_lock_irqsave rather than spin_lock needed on mz-lru_lock?
If it is needed, doesn't mem_cgroup_isolate_pages need to use it too?
When I wrote a patch to treat lru_lock (it was not per-zone yet.), I got
= mem_cgroup_charge_common(page, mm, gfp_mask,
MEM_CGROUP_CHARGE_TYPE_CACHE);
- else
- return 0;
+ css_put(mem-css);
+ return ret;
}
/*
_
Seems reasonable to me.
Acked-by: KAMEZAWA Hiroyuki [EMAIL PROTECTED]
Thanks,
-Kame
On Fri, 21 Dec 2007 00:23:58 +0530
Balbir Singh [EMAIL PROTECTED] wrote:
Based on the discussion at http://lkml.org/lkml/2007/12/20/383, it was
felt that control_type might not be a good thing to implement right away.
We can add this flexibility at a later point when required.
On Thu, 29 Nov 2007 16:25:33 -0500
Lee Schermerhorn [EMAIL PROTECTED] wrote:
- pn = kmalloc_node(sizeof(*pn), GFP_KERNEL, node);
+ /*
+* This routine is called against possible nodes.
+* But it's BUG to call kmalloc() against offline node.
+*
+* TODO: this routine
On Fri, 30 Nov 2007 08:43:35 +0530
Balbir Singh [EMAIL PROTECTED] wrote:
KAMEZAWA-San posted some test results on background reclaim and per zone
reclaim
I'd like to post some patches below in the next week.
- throttling the number of callers of try_to_free_mem_cgroup_pages()
- background
On Fri, 30 Nov 2007 19:11:14 +0900
KAMEZAWA Hiroyuki [EMAIL PROTECTED] wrote:
I'd like to post some patches below in the next week.
- throttling the number of callers of try_to_free_mem_cgroup_pages()
- background reclaim and high/low watermark.
- some cleanups.
I'd like to hold off
to make target `arch/ia64/lib/copy_page-export.o', needed
by `arch/ia64/lib/built-in.o'. Stop.
make: *** [arch/ia64/lib] Error 2
fix (for my config ?) is attached.
=
This was necessary to build.
Signed-off-by: KAMEZAWA Hiroyuki [EMAIL PROTECTED]
arch/ia64/lib/Makefile |2 +-
1 file
On Wed, 21 Nov 2007 17:42:15 +0900
KAMEZAWA Hiroyuki [EMAIL PROTECTED] wrote:
Hi, Andrew
I got following result in 'sync' command.
It was too slow. (memory controller config is off ;)
I attaches my .config.
==
[2.6.24-rc3-mm1]
[EMAIL PROTECTED] ~]$ dd if=/dev/zero of=./tmpfile bs=4096
On Wed, 21 Nov 2007 00:49:09 -0800
Andrew Morton [EMAIL PROTECTED] wrote:
On Wed, 21 Nov 2007 17:42:15 +0900 KAMEZAWA Hiroyuki [EMAIL PROTECTED]
wrote:
Hi, Andrew
I got following result in 'sync' command.
It was too slow. (memory controller config is off ;)
I attaches my .config
On Sat, 24 Nov 2007 19:04:34 +0100
Gabriel C [EMAIL PROTECTED] wrote:
It seems OK here from a quick test (i386, ext3-on-IDE).
Maybe device driver/block breakage?
Try revert
Hi, this is per-zone/reclaim support patch set for memory controller (cgroup).
Major changes from previous one is
-- tested with 2.6.24-rc3-mm1 + ia64/NUMA
-- applied comments.
I did small test on real NUMA machine.
My machine was ia64/8CPU/2Node NUMA. I tried to complile the kernel under 800M
add macro scan_global_lru().
This is used to detect which scan_control scans global lru or
mem_cgroup lru. And compiled to be static value (1) when
memory controller is not configured. This may make the meaning obvious.
Acked-by: Balbir Singh [EMAIL PROTECTED]
Signed-off-by: KAMEZAWA Hiroyuki
Add macro to get node_id and zone_id of page_cgroup.
Will be used in per-zone-xxx patches and others.
Changelog:
- returns zone_type instead of int.
Signed-off-by: KAMEZAWA Hiroyuki [EMAIL PROTECTED]
mm/memcontrol.c | 10 ++
1 file changed, 10 insertions(+)
Index: linux-2.6.24-rc3
-by: KAMEZAWA Hiroyuki [EMAIL PROTECTED]
mm/memcontrol.c | 164 +---
1 file changed, 157 insertions(+), 7 deletions(-)
Index: linux-2.6.24-rc3-mm1/mm/memcontrol.c
===
--- linux-2.6.24-rc3
Define function for calculating mapped_ratio in memory cgroup.
Changelog V1-V2
- Fixed possible divide-by-zero bug.
- Use long to avoid 64bit division on 32 bit system.
and does necessary type casts.
- Added comments.
Signed-off-by: KAMEZAWA Hiroyuki [EMAIL PROTECTED]
include/linux
calculate active/inactive imbalance per memory cgroup.
Changelog V1 - V2:
- removed total (just count inactive and active)
- fixed comment
- fixed return type to be long.
Signed-off-by: KAMEZAWA Hiroyuki [EMAIL PROTECTED]
include/linux/memcontrol.h |8
mm/memcontrol.c
Functions to remember reclaim priority per cgroup (as zone-prev_priority)
Signed-off-by: KAMEZAWA Hiroyuki [EMAIL PROTECTED]
include/linux/memcontrol.h | 23 +++
mm/memcontrol.c| 20
2 files changed, 43 insertions(+)
Index: linux-2.6.24
Define function for calculating the number of scan target on each Zone/LRU.
Changelog V1-V2.
- fixed types of variable.
Signed-off-by: KAMEZAWA Hiroyuki [EMAIL PROTECTED]
include/linux/memcontrol.h | 15 +++
mm/memcontrol.c| 33 +
2
as
zone-prev_priority.
This value is used for calc reclaim_mapped.
Changelog V1-V2:
- merged calc_reclaim_mapped patch in previous version.
Signed-off-by: KAMEZAWA Hiroyuki [EMAIL PROTECTED]
mm/vmscan.c | 326
-active_list
mz-inactive_list
Changelog v1-v2
- merged to mem_cgroup_per_zone struct.
- handle page migraiton.
Signed-off-by: KAMEZAWA Hiroyuki [EMAIL PROTECTED]
mm/memcontrol.c | 63 ++--
1 file changed, 39 insertions(+), 24 deletions
(page_cgroup);
mz-lru_lock
Signed-off-by: KAMEZAWA hiroyuki [EMAIL PROTECTED]
mm/memcontrol.c | 71 ++--
1 file changed, 44 insertions(+), 27 deletions(-)
Index: linux-2.6.24-rc3-mm1/mm/memcontrol.c
On Wed, 28 Nov 2007 16:19:59 -0500
Lee Schermerhorn [EMAIL PROTECTED] wrote:
As soon as this loop hits the first non-existent node on my platform, I
get a NULL pointer deref down in __alloc_pages. Stack trace below.
Perhaps N_POSSIBLE should be N_HIGH_MEMORY? That would require handling
On Thu, 29 Nov 2007 10:37:02 +0900
KAMEZAWA Hiroyuki [EMAIL PROTECTED] wrote:
Maybe zonelists of NODE_DATA() is not initialized. you are right.
I think N_HIGH_MEMORY will be suitable here...(I'll consider node-hotplug
case later.)
Thank you for test!
Could you try this ?
Thanks,
-Kame
On Thu, 29 Nov 2007 11:24:06 +0900
KAMEZAWA Hiroyuki [EMAIL PROTECTED] wrote:
On Thu, 29 Nov 2007 10:37:02 +0900
KAMEZAWA Hiroyuki [EMAIL PROTECTED] wrote:
Maybe zonelists of NODE_DATA() is not initialized. you are right.
I think N_HIGH_MEMORY will be suitable here...(I'll consider node
+per-zone-and-reclaim-enhancements-for-memory-controller-take-3-add-scan_global_lru-macro.patch
+per-zone-and-reclaim-enhancements-for-memory-controller-take-3-nid-zid-helper-function-for-cgroup.patch
On Thu, 29 Nov 2007 12:19:37 +0900 (JST)
[EMAIL PROTECTED] (YAMAMOTO Takashi) wrote:
@@ -651,10 +758,11 @@
/* Avoid race with charge */
atomic_set(pc-ref_cnt, 0);
if (clear_page_cgroup(page, pc) == pc) {
+ int active;
On Thu, 29 Nov 2007 12:33:28 +0900 (JST)
[EMAIL PROTECTED] (YAMAMOTO Takashi) wrote:
+static inline struct mem_cgroup_per_zone *
+mem_cgroup_zoneinfo(struct mem_cgroup *mem, int nid, int zid)
+{
+ if (!mem-info.nodeinfo[nid])
can this be true?
YAMAMOTO Takashi
When I set
On Thu, 29 Nov 2007 12:23:29 +0900
KAMEZAWA Hiroyuki [EMAIL PROTECTED] wrote:
I noticed CONFIG_NUMA + CONFIG_CGROUP_MEM_CONT + CONFIG_SLUB cannot boot
because of my patch.
(SLAB is ok.)
I'll post workaround soon.
==
This is a fix. tested on my ia64/NUMA box both on SLAB/SLUB.
This patch
) pages.
- under cgroup: use up to limit.
I think 2 accountings, ALLOCSTALL and DIRECT should be accounted only under
global lru scan. They are accounted against memory shortage at alloc_pages().
Signed-off-by: KAMEZAWA Hiroyuki [EMAIL PROTECTED]
mm/vmscan.c |6 --
1 file changed, 4
Balbir-san, could you review this update ?
--
Documentation updates for memory controller.
Signed-off-by: KAMEZAWA Hiroyuki [EMAIL PROTECTED]
Index: linux-2.6.24-rc4-mm1/Documentation/controllers/memory.txt
===
--- linux-2.6.24-rc4
On Tue, 11 Dec 2007 10:44:36 +0530
Balbir Singh [EMAIL PROTECTED] wrote:
Looks good to me.
Acked-by: Balbir Singh [EMAIL PROTECTED]
TODO:
1. Should we have vm_events for the memory controller as well?
May be in the longer term
ALLOC_STALL is recoreded as failcnt, I think.
I think
On Tue, 11 Dec 2007 11:26:44 +0900
KAMEZAWA Hiroyuki [EMAIL PROTECTED] wrote:
Without this, ALLOCSTALL and PGSCAN_DIRECT increases too much unless
there is no memory shortage.
Sorry,
Without this, ALLOCSTALL and PGSCAN_DIRECT increases too much even
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