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[PATCH v3 10/28] slab/slub: struct memcg_params [message #46532 is a reply to message #46517]

Fri, 25 May 2012 13:03

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 | 14 ++++++++++++++
include/linux/slab_def.h | 4 ++++
include/linux/slub_def.h | 3 +++
3 files changed, 21 insertions(+), 0 deletions(-)

diff --git a/include/linux/slab.h b/include/linux/slab.h
index a595dce..dbf36b5 100644
--- a/include/linux/slab.h
+++ b/include/linux/slab.h
@@ -153,6 +153,20 @@ 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;
+
+#ifdef CONFIG_SLAB
+ /* Original cache parameters, used when creating a memcg cache */
+ size_t orig_align;
+
+#endif
+};
+#endif
+
/*
* Common kmalloc functions provided by all allocators
*/
diff --git a/include/linux/slab_def.h b/include/linux/slab_def.h
index cba3139..06e4a3e 100644
--- a/include/linux/slab_def.h
+++ b/include/linux/slab_def.h
@@ -83,6 +83,10 @@ struct kmem_cache {
int obj_size;
#endif

+#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 c2f8c8b..5f5e942 100644
--- a/include/linux/slub_def.h
+++ b/include/linux/slub_def.h
@@ -102,6 +102,9 @@ 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
/*
--
1.7.7.6

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[Message index]

		[PATCH v3 00/28] kmem limitation for memcg By: Glauber Costa on Fri, 25 May 2012 13:03
		[PATCH v3 02/28] memcg: Always free struct memcg through schedule_work() By: Glauber Costa on Fri, 25 May 2012 13:03
		[PATCH v3 09/28] kmem slab accounting basic infrastructure By: Glauber Costa on Fri, 25 May 2012 13:03
		[PATCH v3 08/28] res_counter: don't force return value checking in res_counter_charge_nofail By: Glauber Costa on Fri, 25 May 2012 13:03
		[PATCH v3 03/28] slab: rename gfpflags to allocflags By: Glauber Costa on Fri, 25 May 2012 13:03
		[PATCH v3 01/28] slab: move FULL state transition to an initcall By: Glauber Costa on Fri, 25 May 2012 13:03
		[PATCH v3 18/28] slub: charge allocation to a memcg By: Glauber Costa on Fri, 25 May 2012 13:03
		Re: [PATCH v3 18/28] slub: charge allocation to a memcg By: Christoph Lameter on Tue, 29 May 2012 14:51
		Re: [PATCH v3 18/28] slub: charge allocation to a memcg By: Glauber Costa on Tue, 29 May 2012 16:06
		[PATCH v3 20/28] memcg: disable kmem code when not in use. By: Glauber Costa on Fri, 25 May 2012 13:03
		[PATCH v3 22/28] memcg/slub: shrink dead caches By: Glauber Costa on Fri, 25 May 2012 13:03
		[PATCH v3 19/28] slab: per-memcg accounting of slab caches By: Glauber Costa on Fri, 25 May 2012 13:03
		Re: [PATCH v3 19/28] slab: per-memcg accounting of slab caches By: Christoph Lameter on Tue, 29 May 2012 14:52
		Re: [PATCH v3 19/28] slab: per-memcg accounting of slab caches By: Glauber Costa on Tue, 29 May 2012 16:07
		Re: [PATCH v3 19/28] slab: per-memcg accounting of slab caches By: Glauber Costa on Tue, 29 May 2012 16:13
		[PATCH v3 21/28] memcg: destroy memcg caches By: Glauber Costa on Fri, 25 May 2012 13:03
		[PATCH v3 25/28] slub: create slabinfo file for memcg By: Glauber Costa on Fri, 25 May 2012 13:03
		[PATCH v3 16/28] memcg: kmem controller charge/uncharge infrastructure By: Glauber Costa on Fri, 25 May 2012 13:03
		Re: [PATCH v3 16/28] memcg: kmem controller charge/uncharge infrastructure By: Christoph Lameter on Tue, 29 May 2012 14:47
		Re: [PATCH v3 16/28] memcg: kmem controller charge/uncharge infrastructure By: Glauber Costa on Tue, 29 May 2012 16:00
		Re: [PATCH v3 16/28] memcg: kmem controller charge/uncharge infrastructure By: Frederic Weisbecker on Wed, 30 May 2012 12:17
		Re: [PATCH v3 16/28] memcg: kmem controller charge/uncharge infrastructure By: Glauber Costa on Wed, 30 May 2012 12:26
		Re: [PATCH v3 16/28] memcg: kmem controller charge/uncharge infrastructure By: Frederic Weisbecker on Wed, 30 May 2012 12:34
		Re: [PATCH v3 16/28] memcg: kmem controller charge/uncharge infrastructure By: Glauber Costa on Wed, 30 May 2012 12:38
		Re: [PATCH v3 16/28] memcg: kmem controller charge/uncharge infrastructure By: Frederic Weisbecker on Wed, 30 May 2012 13:11
		Re: [PATCH v3 16/28] memcg: kmem controller charge/uncharge infrastructure By: Glauber Costa on Wed, 30 May 2012 13:09
		Re: [PATCH v3 16/28] memcg: kmem controller charge/uncharge infrastructure By: Frederic Weisbecker on Wed, 30 May 2012 13:04
		Re: [PATCH v3 16/28] memcg: kmem controller charge/uncharge infrastructure By: Glauber Costa on Wed, 30 May 2012 13:06
		Re: [PATCH v3 16/28] memcg: kmem controller charge/uncharge infrastructure By: Frederic Weisbecker on Wed, 30 May 2012 13:37
		Re: [PATCH v3 16/28] memcg: kmem controller charge/uncharge infrastructure By: Glauber Costa on Wed, 30 May 2012 13:37
		Re: [PATCH v3 16/28] memcg: kmem controller charge/uncharge infrastructure By: Frederic Weisbecker on Wed, 30 May 2012 13:53
		Re: [PATCH v3 16/28] memcg: kmem controller charge/uncharge infrastructure By: Glauber Costa on Wed, 30 May 2012 13:55
		Re: [PATCH v3 16/28] memcg: kmem controller charge/uncharge infrastructure By: Frederic Weisbecker on Wed, 30 May 2012 15:33
		Re: [PATCH v3 16/28] memcg: kmem controller charge/uncharge infrastructure By: Glauber Costa on Wed, 30 May 2012 16:16
		[PATCH v3 24/28] memcg: Per-memcg memory.kmem.slabinfo file. By: Glauber Costa on Fri, 25 May 2012 13:03
		[PATCH v3 06/28] slab: use obj_size field of struct kmem_cache when not debugging By: Glauber Costa on Fri, 25 May 2012 13:03
		[PATCH v3 10/28] slab/slub: struct memcg_params By: Glauber Costa on Fri, 25 May 2012 13:03
		[PATCH v3 12/28] slab: pass memcg parameter to kmem_cache_create By: Glauber Costa on Fri, 25 May 2012 13:03
		Re: [PATCH v3 12/28] slab: pass memcg parameter to kmem_cache_create By: Christoph Lameter on Tue, 29 May 2012 14:27
		Re: [PATCH v3 12/28] slab: pass memcg parameter to kmem_cache_create By: Glauber Costa on Tue, 29 May 2012 15:50
		Re: [PATCH v3 12/28] slab: pass memcg parameter to kmem_cache_create By: Christoph Lameter on Tue, 29 May 2012 16:33
		Re: [PATCH v3 12/28] slab: pass memcg parameter to kmem_cache_create By: Glauber Costa on Tue, 29 May 2012 16:36
		Re: [PATCH v3 12/28] slab: pass memcg parameter to kmem_cache_create By: Christoph Lameter on Tue, 29 May 2012 16:52
		Re: [PATCH v3 12/28] slab: pass memcg parameter to kmem_cache_create By: Glauber Costa on Tue, 29 May 2012 16:59
		Re: [PATCH v3 12/28] slab: pass memcg parameter to kmem_cache_create By: Frederic Weisbecker on Wed, 30 May 2012 11:01
		[PATCH v3 14/28] slab: create duplicate cache By: Glauber Costa on Fri, 25 May 2012 13:03
		[PATCH v3 15/28] slub: always get the cache from its page in kfree By: Glauber Costa on Fri, 25 May 2012 13:03
		Re: [PATCH v3 15/28] slub: always get the cache from its page in kfree By: Christoph Lameter on Tue, 29 May 2012 14:42
		Re: [PATCH v3 15/28] slub: always get the cache from its page in kfree By: Glauber Costa on Tue, 29 May 2012 15:59
		[PATCH v3 17/28] skip memcg kmem allocations in specified code regions By: Glauber Costa on Fri, 25 May 2012 13:03
		[PATCH v3 13/28] slub: create duplicate cache By: Glauber Costa on Fri, 25 May 2012 13:03
		Re: [PATCH v3 13/28] slub: create duplicate cache By: Christoph Lameter on Tue, 29 May 2012 14:36
		Re: [PATCH v3 13/28] slub: create duplicate cache By: Glauber Costa on Tue, 29 May 2012 15:56
		Re: [PATCH v3 13/28] slub: create duplicate cache By: Christoph Lameter on Tue, 29 May 2012 16:05
		Re: [PATCH v3 13/28] slub: create duplicate cache By: Glauber Costa on Tue, 29 May 2012 17:05
		Re: [PATCH v3 13/28] slub: create duplicate cache By: Christoph Lameter on Tue, 29 May 2012 17:25
		Re: [PATCH v3 13/28] slub: create duplicate cache By: Glauber Costa on Tue, 29 May 2012 17:27
		Re: [PATCH v3 13/28] slub: create duplicate cache By: Christoph Lameter on Tue, 29 May 2012 19:26
		Re: [PATCH v3 13/28] slub: create duplicate cache By: Glauber Costa on Tue, 29 May 2012 19:40
		Re: [PATCH v3 13/28] slub: create duplicate cache By: Christoph Lameter on Tue, 29 May 2012 19:55
		Re: [PATCH v3 13/28] slub: create duplicate cache By: Glauber Costa on Tue, 29 May 2012 20:08
		Re: [PATCH v3 13/28] slub: create duplicate cache By: Christoph Lameter on Tue, 29 May 2012 20:21
		Re: [PATCH v3 13/28] slub: create duplicate cache By: Glauber Costa on Tue, 29 May 2012 20:25
		Re: [PATCH v3 13/28] slub: create duplicate cache By: Tejun Heo on Wed, 30 May 2012 01:29
		Re: Re: [PATCH v3 13/28] slub: create duplicate cache By: James Bottomley on Wed, 30 May 2012 07:28
		Re: [PATCH v3 13/28] slub: create duplicate cache By: Glauber Costa on Wed, 30 May 2012 07:54
		Re: [PATCH v3 13/28] slub: create duplicate cache By: Tejun Heo on Wed, 30 May 2012 08:02
		Re: [PATCH v3 13/28] slub: create duplicate cache By: Christoph Lameter on Wed, 30 May 2012 15:37
		Re: [PATCH v3 13/28] slub: create duplicate cache By: Suleiman Souhlal on Tue, 29 May 2012 20:57
		[PATCH v3 11/28] slub: consider a memcg parameter in kmem_create_cache By: Glauber Costa on Fri, 25 May 2012 13:03
		[PATCH v3 26/28] slub: track all children of a kmem cache By: Glauber Costa on Fri, 25 May 2012 13:03
		[PATCH v3 28/28] Documentation: add documentation for slab tracker for memcg By: Glauber Costa on Fri, 25 May 2012 13:03
		[PATCH v3 23/28] slab: Track all the memcg children of a kmem_cache. By: Glauber Costa on Fri, 25 May 2012 13:03
		[PATCH v3 27/28] memcg: propagate kmem limiting information to children By: Glauber Costa on Fri, 25 May 2012 13:03
		Re: [PATCH v3 00/28] kmem limitation for memcg By: Michal Hocko on Fri, 25 May 2012 13:34
		Re: [PATCH v3 00/28] kmem limitation for memcg By: Christoph Lameter on Fri, 25 May 2012 14:34
		Re: [PATCH v3 00/28] kmem limitation for memcg By: Glauber Costa on Mon, 28 May 2012 08:32
		Re: [PATCH v3 00/28] kmem limitation for memcg By: Christoph Lameter on Tue, 29 May 2012 15:07
		Re: [PATCH v3 00/28] kmem limitation for memcg By: Glauber Costa on Tue, 29 May 2012 15:44
		Re: [PATCH v3 00/28] kmem limitation for memcg By: Christoph Lameter on Tue, 29 May 2012 16:01
		Re: [PATCH v3 00/28] kmem limitation for memcg By: Frederic Weisbecker on Thu, 07 June 2012 10:26
		Re: [PATCH v3 00/28] kmem limitation for memcg By: Glauber Costa on Thu, 07 June 2012 10:53
		Re: [PATCH v3 00/28] kmem limitation for memcg By: Frederic Weisbecker on Thu, 07 June 2012 14:00
		Re: [PATCH v3 00/28] kmem limitation for memcg By: KAMEZAWA Hiroyuki on Thu, 14 June 2012 02:24

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