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[PATCH v4 10/25] slab/slub: struct memcg_params [message #46827 is a reply to message #46818]

Mon, 18 June 2012 10:28

Glauber Costa
Messages: 916
Registered: October 2011

Senior Member

For the kmem slab controller, we need to record some extra
information in the kmem_cache structure.

Signed-off-by: Glauber Costa <glommer@parallels.com>
Signed-off-by: Suleiman Souhlal <suleiman@google.com>
CC: Christoph Lameter <cl@linux.com>
CC: Pekka Enberg <penberg@cs.helsinki.fi>
CC: Michal Hocko <mhocko@suse.cz>
CC: Kamezawa Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
CC: Johannes Weiner <hannes@cmpxchg.org>
---
include/linux/slab.h | 8 ++++++++
include/linux/slab_def.h | 4 ++++
include/linux/slub_def.h | 3 +++
3 files changed, 15 insertions(+)

diff --git a/include/linux/slab.h b/include/linux/slab.h
index 3c2181a..e007cc5 100644
--- a/include/linux/slab.h
+++ b/include/linux/slab.h
@@ -177,6 +177,14 @@ unsigned int kmem_cache_size(struct kmem_cache *);
#define ARCH_SLAB_MINALIGN __alignof__(unsigned long long)
#endif

+#ifdef CONFIG_CGROUP_MEM_RES_CTLR_KMEM
+struct mem_cgroup_cache_params {
+ struct mem_cgroup *memcg;
+ int id;
+ atomic_t refcnt;
+};
+#endif
+
/*
* Common kmalloc functions provided by all allocators
*/
diff --git a/include/linux/slab_def.h b/include/linux/slab_def.h
index 0c634fa..04ca5be 100644
--- a/include/linux/slab_def.h
+++ b/include/linux/slab_def.h
@@ -83,6 +83,10 @@ struct kmem_cache {
int obj_offset;
#endif /* CONFIG_DEBUG_SLAB */

+#ifdef CONFIG_CGROUP_MEM_RES_CTLR_KMEM
+ struct mem_cgroup_cache_params memcg_params;
+#endif
+
/* 6) per-cpu/per-node data, touched during every alloc/free */
/*
* We put array[] at the end of kmem_cache, because we want to size
diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h
index df448ad..7637f3b 100644
--- a/include/linux/slub_def.h
+++ b/include/linux/slub_def.h
@@ -101,6 +101,9 @@ struct kmem_cache {
#ifdef CONFIG_SYSFS
struct kobject kobj; /* For sysfs */
#endif
+#ifdef CONFIG_CGROUP_MEM_RES_CTLR_KMEM
+ struct mem_cgroup_cache_params memcg_params;
+#endif

#ifdef CONFIG_NUMA
/*
--
1.7.10.2

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[Message index]

		[PATCH v4 00/25] kmem limitation for memcg By: Glauber Costa on Mon, 18 June 2012 10:27
		[PATCH v4 08/25] memcg: change defines to an enum By: Glauber Costa on Mon, 18 June 2012 10:28
		Re: [PATCH v4 08/25] memcg: change defines to an enum By: Michal Hocko on Wed, 20 June 2012 13:13
		[PATCH v4 06/25] memcg: Make it possible to use the stock for more than one page. By: Glauber Costa on Mon, 18 June 2012 10:27
		Re: [PATCH v4 06/25] memcg: Make it possible to use the stock for more than one page. By: Michal Hocko on Wed, 20 June 2012 13:28
		Re: [PATCH v4 06/25] memcg: Make it possible to use the stock for more than one page. By: Glauber Costa on Wed, 20 June 2012 19:36
		Re: [PATCH v4 06/25] memcg: Make it possible to use the stock for more than one page. By: Michal Hocko on Thu, 21 June 2012 21:14
		Re: [PATCH v4 06/25] memcg: Make it possible to use the stock for more than one page. By: Glauber Costa on Mon, 25 June 2012 13:03
		[PATCH v4 04/25] Wipe out CFLGS_OFF_SLAB from flags during initial slab creation By: Glauber Costa on Mon, 18 June 2012 10:27
		[PATCH v4 07/25] memcg: Reclaim when more than one page needed. By: Glauber Costa on Mon, 18 June 2012 10:28
		Re: [PATCH v4 07/25] memcg: Reclaim when more than one page needed. By: Michal Hocko on Wed, 20 June 2012 13:47
		Re: [PATCH v4 07/25] memcg: Reclaim when more than one page needed. By: Glauber Costa on Wed, 20 June 2012 19:43
		Re: [PATCH v4 07/25] memcg: Reclaim when more than one page needed. By: Michal Hocko on Thu, 21 June 2012 21:19
		Re: [PATCH v4 07/25] memcg: Reclaim when more than one page needed. By: Glauber Costa on Mon, 25 June 2012 13:13
		Re: [PATCH v4 07/25] memcg: Reclaim when more than one page needed. By: Glauber Costa on Mon, 25 June 2012 14:04
		[PATCH v4 09/25] kmem slab accounting basic infrastructure By: Glauber Costa on Mon, 18 June 2012 10:28
		[PATCH v4 01/25] slab: rename gfpflags to allocflags By: Glauber Costa on Mon, 18 June 2012 10:27
		[PATCH v4 11/25] consider a memcg parameter in kmem_create_cache By: Glauber Costa on Mon, 18 June 2012 10:28
		[PATCH v4 03/25] slab: move FULL state transition to an initcall By: Glauber Costa on Mon, 18 June 2012 10:27
		[PATCH v4 10/25] slab/slub: struct memcg_params By: Glauber Costa on Mon, 18 June 2012 10:28
		[PATCH v4 05/25] memcg: Always free struct memcg through schedule_work() By: Glauber Costa on Mon, 18 June 2012 10:27
		Re: [PATCH v4 05/25] memcg: Always free struct memcg through schedule_work() By: KAMEZAWA Hiroyuki on Mon, 18 June 2012 12:07
		Re: [PATCH v4 05/25] memcg: Always free struct memcg through schedule_work() By: Glauber Costa on Mon, 18 June 2012 12:10
		Re: [PATCH v4 05/25] memcg: Always free struct memcg through schedule_work() By: KAMEZAWA Hiroyuki on Tue, 19 June 2012 00:11
		Re: [PATCH v4 05/25] memcg: Always free struct memcg through schedule_work() By: Pekka Enberg on Wed, 20 June 2012 07:32
		Re: [PATCH v4 05/25] memcg: Always free struct memcg through schedule_work() By: Glauber Costa on Wed, 20 June 2012 08:40
		Re: [PATCH v4 05/25] memcg: Always free struct memcg through schedule_work() By: KAMEZAWA Hiroyuki on Thu, 21 June 2012 11:39
		Re: [PATCH v4 05/25] memcg: Always free struct memcg through schedule_work() By: Michal Hocko on Wed, 20 June 2012 13:20
		[PATCH v4 02/25] provide a common place for initcall processing in kmem_cache By: Glauber Costa on Mon, 18 June 2012 10:27
		[PATCH v4 13/25] Add a __GFP_SLABMEMCG flag By: Glauber Costa on Mon, 18 June 2012 10:28
		[PATCH v4 12/25] sl[au]b: always get the cache from its page in kfree By: Glauber Costa on Mon, 18 June 2012 10:28
		[PATCH v4 15/25] allow enable_cpu_cache to use preset values for its tunables By: Glauber Costa on Mon, 18 June 2012 10:28
		[PATCH v4 14/25] memcg: kmem controller dispatch infrastructure By: Glauber Costa on Mon, 18 June 2012 10:28
		[PATCH v4 16/25] don't do __ClearPageSlab before freeing slab page. By: Glauber Costa on Mon, 18 June 2012 10:28
		[PATCH v4 17/25] skip memcg kmem allocations in specified code regions By: Glauber Costa on Mon, 18 June 2012 10:28
		Re: [PATCH v4 17/25] skip memcg kmem allocations in specified code regions By: KAMEZAWA Hiroyuki on Mon, 18 June 2012 12:19
		[PATCH v4 19/25] memcg: disable kmem code when not in use. By: Glauber Costa on Mon, 18 June 2012 10:28
		Re: [PATCH v4 19/25] memcg: disable kmem code when not in use. By: KAMEZAWA Hiroyuki on Mon, 18 June 2012 12:22
		Re: [PATCH v4 19/25] memcg: disable kmem code when not in use. By: Glauber Costa on Mon, 18 June 2012 12:26
		[PATCH v4 18/25] mm: Allocate kernel pages to the right memcg By: Glauber Costa on Mon, 18 June 2012 10:28
		[PATCH v4 20/25] memcg: destroy memcg caches By: Glauber Costa on Mon, 18 June 2012 10:28
		[PATCH v4 21/25] Track all the memcg children of a kmem_cache. By: Glauber Costa on Mon, 18 June 2012 10:28
		[PATCH v4 22/25] slab: slab-specific propagation changes. By: Glauber Costa on Mon, 18 June 2012 10:28
		[PATCH v4 25/25] Documentation: add documentation for slab tracker for memcg By: Glauber Costa on Mon, 18 June 2012 10:28
		[PATCH v4 24/25] memcg/slub: shrink dead caches By: Glauber Costa on Mon, 18 June 2012 10:28
		Re: [PATCH v4 24/25] memcg/slub: shrink dead caches By: Christoph Lameter on Fri, 06 July 2012 15:16
		Re: [PATCH v4 24/25] memcg/slub: shrink dead caches By: Glauber Costa on Fri, 20 July 2012 22:16
		Re: [PATCH v4 24/25] memcg/slub: shrink dead caches By: Christoph Lameter on Wed, 25 July 2012 15:23
		Re: [PATCH v4 24/25] memcg/slub: shrink dead caches By: Glauber Costa on Wed, 25 July 2012 18:15
		[PATCH v4 23/25] memcg: propagate kmem limiting information to children By: Glauber Costa on Mon, 18 June 2012 10:28
		Re: [PATCH v4 23/25] memcg: propagate kmem limiting information to children By: KAMEZAWA Hiroyuki on Mon, 18 June 2012 12:37
		Re: [PATCH v4 23/25] memcg: propagate kmem limiting information to children By: Glauber Costa on Mon, 18 June 2012 12:43
		Re: [PATCH v4 23/25] memcg: propagate kmem limiting information to children By: KAMEZAWA Hiroyuki on Tue, 19 June 2012 00:16
		Re: [PATCH v4 23/25] memcg: propagate kmem limiting information to children By: Glauber Costa on Tue, 19 June 2012 08:35
		Re: [PATCH v4 23/25] memcg: propagate kmem limiting information to children By: Glauber Costa on Tue, 19 June 2012 08:54
		Re: [PATCH v4 23/25] memcg: propagate kmem limiting information to children By: Glauber Costa on Wed, 20 June 2012 08:59
		Re: [PATCH v4 23/25] memcg: propagate kmem limiting information to children By: KAMEZAWA Hiroyuki on Sat, 23 June 2012 04:19
		Re: [PATCH v4 00/25] kmem limitation for memcg By: KAMEZAWA Hiroyuki on Mon, 18 June 2012 12:10
		Re: [PATCH v4 00/25] kmem limitation for memcg By: Glauber Costa on Mon, 18 June 2012 12:14

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