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| [PATCH v3 04/16] provide a common place for initcall processing in kmem_cache [message #47904 is a reply to message #47897] |
Tue, 18 September 2012 14:11   |
Glauber Costa
Messages: 916
Registered: October 2011
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Senior Member |
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Both SLAB and SLUB depend on some initialization to happen when the
system is already booted, with all subsystems working. This is done
by issuing an initcall that does the final initialization.
This patch moves that to slab_common.c, while creating an empty
placeholder for the SLOB.
Signed-off-by: Glauber Costa <glommer@parallels.com>
CC: Christoph Lameter <cl@linux.com>
CC: Pekka Enberg <penberg@cs.helsinki.fi>
CC: David Rientjes <rientjes@google.com>
---
mm/slab.c | 5 ++---
mm/slab.h | 2 ++
mm/slab_common.c | 6 ++++++
mm/slob.c | 5 +++++
mm/slub.c | 4 +---
5 files changed, 16 insertions(+), 6 deletions(-)
diff --git a/mm/slab.c b/mm/slab.c
index ccf496c..3bac667 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -894,7 +894,7 @@ static void __cpuinit start_cpu_timer(int cpu)
struct delayed_work *reap_work = &per_cpu(slab_reap_work, cpu);
/*
- * When this gets called from do_initcalls via cpucache_init(),
+ * When this gets called from do_initcalls via __kmem_cache_initcall(),
* init_workqueues() has already run, so keventd will be setup
* at that time.
*/
@@ -1822,7 +1822,7 @@ void __init kmem_cache_init_late(void)
*/
}
-static int __init cpucache_init(void)
+int __init __kmem_cache_initcall(void)
{
int cpu;
@@ -1836,7 +1836,6 @@ static int __init cpucache_init(void)
slab_state = FULL;
return 0;
}
-__initcall(cpucache_init);
static noinline void
slab_out_of_memory(struct kmem_cache *cachep, gfp_t gfpflags, int nodeid)
diff --git a/mm/slab.h b/mm/slab.h
index 7deeb44..7a2698b 100644
--- a/mm/slab.h
+++ b/mm/slab.h
@@ -47,4 +47,6 @@ static inline struct kmem_cache *__kmem_cache_alias(const char *name, size_t siz
int __kmem_cache_shutdown(struct kmem_cache *);
+int __kmem_cache_initcall(void);
+
#endif
diff --git a/mm/slab_common.c b/mm/slab_common.c
index 9c21725..eddbb8a 100644
--- a/mm/slab_common.c
+++ b/mm/slab_common.c
@@ -189,3 +189,9 @@ int slab_is_available(void)
{
return slab_state >= UP;
}
+
+static int __init kmem_cache_initcall(void)
+{
+ return __kmem_cache_initcall();
+}
+__initcall(kmem_cache_initcall);
diff --git a/mm/slob.c b/mm/slob.c
index 3edfeaa..ad91d67 100644
--- a/mm/slob.c
+++ b/mm/slob.c
@@ -622,3 +622,8 @@ void __init kmem_cache_init_late(void)
{
slab_state = FULL;
}
+
+int __init __kmem_cache_initcall(void)
+{
+ return 0;
+}
diff --git a/mm/slub.c b/mm/slub.c
index 09a91d0..7ac46c6 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -5332,7 +5332,7 @@ static int sysfs_slab_alias(struct kmem_cache *s, const char *name)
return 0;
}
-static int __init slab_sysfs_init(void)
+int __init __kmem_cache_initcall(void)
{
struct kmem_cache *s;
int err;
@@ -5370,8 +5370,6 @@ static int __init slab_sysfs_init(void)
resiliency_test();
return 0;
}
-
-__initcall(slab_sysfs_init);
#endif /* CONFIG_SYSFS */
/*
--
1.7.11.4
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[PATCH v3 00/16] slab accounting for memcg
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[PATCH v3 02/16] slub: use free_page instead of put_page for freeing kmalloc allocation
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[PATCH v3 01/16] slab/slub: struct memcg_params
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[PATCH v3 03/16] slab: Ignore the cflgs bit in cache creation
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Re: [PATCH v3 03/16] slab: Ignore the cflgs bit in cache creation
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Re: [PATCH v3 03/16] slab: Ignore the cflgs bit in cache creation
By: Tejun Heo on Fri, 21 September 2012 17:33 |
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[PATCH v3 09/16] sl[au]b: always get the cache from its page in kfree
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Re: [PATCH v3 09/16] sl[au]b: always get the cache from its page in kfree
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Re: [PATCH v3 09/16] sl[au]b: always get the cache from its page in kfree
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Re: [PATCH v3 09/16] sl[au]b: always get the cache from its page in kfree
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Re: [PATCH v3 09/16] sl[au]b: always get the cache from its page in kfree
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Re: [PATCH v3 09/16] sl[au]b: always get the cache from its page in kfree
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Re: [PATCH v3 09/16] sl[au]b: always get the cache from its page in kfree
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Re: [PATCH v3 09/16] sl[au]b: always get the cache from its page in kfree
By: Tejun Heo on Fri, 21 September 2012 20:07 |
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Re: [PATCH v3 09/16] sl[au]b: always get the cache from its page in kfree
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Re: [PATCH v3 09/16] sl[au]b: always get the cache from its page in kfree
By: Tejun Heo on Fri, 21 September 2012 20:16 |
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[PATCH v3 06/16] memcg: infrastructure to match an allocation to the right cache
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Re: [PATCH v3 06/16] memcg: infrastructure to match an allocation to the right cache
By: Tejun Heo on Fri, 21 September 2012 18:32 |
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Re: [PATCH v3 06/16] memcg: infrastructure to match an allocation to the right cache
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Re: [PATCH v3 06/16] memcg: infrastructure to match an allocation to the right cache
By: Tejun Heo on Mon, 24 September 2012 17:56 |
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Re: [PATCH v3 06/16] memcg: infrastructure to match an allocation to the right cache
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Re: [PATCH v3 06/16] memcg: infrastructure to match an allocation to the right cache
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Re: [PATCH v3 06/16] memcg: infrastructure to match an allocation to the right cache
By: Tejun Heo on Fri, 21 September 2012 20:52 |
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Re: [PATCH v3 06/16] memcg: infrastructure to match an allocation to the right cache
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Re: [PATCH v3 06/16] memcg: infrastructure to match an allocation to the right cache
By: Tejun Heo on Mon, 24 September 2012 17:58 |
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[PATCH v3 04/16] provide a common place for initcall processing in kmem_cache
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Re: [PATCH v3 04/16] provide a common place for initcall processing in kmem_cache
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[PATCH v3 07/16] memcg: skip memcg kmem allocations in specified code regions
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Re: [PATCH v3 07/16] memcg: skip memcg kmem allocations in specified code regions
By: Tejun Heo on Fri, 21 September 2012 19:59 |
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Re: [PATCH v3 07/16] memcg: skip memcg kmem allocations in specified code regions
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Re: [PATCH v3 07/16] memcg: skip memcg kmem allocations in specified code regions
By: Tejun Heo on Mon, 24 September 2012 17:47 |
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[PATCH v3 12/16] memcg/sl[au]b Track all the memcg children of a kmem_cache.
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Re: [PATCH v3 12/16] memcg/sl[au]b Track all the memcg children of a kmem_cache.
By: Tejun Heo on Fri, 21 September 2012 20:31 |
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[PATCH v3 14/16] slub: slub-specific propagation changes.
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[PATCH v3 16/16] Add documentation about the kmem controller
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[PATCH v3 08/16] slab: allow enable_cpu_cache to use preset values for its tunables
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Re: [PATCH v3 08/16] slab: allow enable_cpu_cache to use preset values for its tunables
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Re: [PATCH v3 08/16] slab: allow enable_cpu_cache to use preset values for its tunables
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Re: [PATCH v3 08/16] slab: allow enable_cpu_cache to use preset values for its tunables
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[PATCH v3 10/16] sl[au]b: Allocate objects from memcg cache
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[PATCH v3 13/16] slab: slab-specific propagation changes.
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Re: [PATCH v3 13/16] slab: slab-specific propagation changes.
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Re: [PATCH v3 13/16] slab: slab-specific propagation changes.
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[PATCH v3 05/16] consider a memcg parameter in kmem_create_cache
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Re: [PATCH v3 05/16] consider a memcg parameter in kmem_create_cache
By: Tejun Heo on Fri, 21 September 2012 18:14 |
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Re: [PATCH v3 05/16] consider a memcg parameter in kmem_create_cache
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Re: [PATCH v3 05/16] consider a memcg parameter in kmem_create_cache
By: christoph on Mon, 24 September 2012 12:41 |
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Re: [PATCH v3 05/16] consider a memcg parameter in kmem_create_cache
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Re: [PATCH v3 05/16] consider a memcg parameter in kmem_create_cache
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Re: [PATCH v3 05/16] consider a memcg parameter in kmem_create_cache
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Re: [PATCH v3 05/16] consider a memcg parameter in kmem_create_cache
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Re: [PATCH v3 05/16] consider a memcg parameter in kmem_create_cache
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Re: [PATCH v3 05/16] consider a memcg parameter in kmem_create_cache
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Re: [PATCH v3 05/16] consider a memcg parameter in kmem_create_cache
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Re: [PATCH v3 05/16] consider a memcg parameter in kmem_create_cache
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Re: [PATCH v3 05/16] consider a memcg parameter in kmem_create_cache
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Re: [PATCH v3 05/16] consider a memcg parameter in kmem_create_cache
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[PATCH v3 15/16] memcg/sl[au]b: shrink dead caches
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Re: [PATCH v3 15/16] memcg/sl[au]b: shrink dead caches
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Re: [PATCH v3 15/16] memcg/sl[au]b: shrink dead caches
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Re: [PATCH v3 15/16] memcg/sl[au]b: shrink dead caches
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Re: [PATCH v3 15/16] memcg/sl[au]b: shrink dead caches
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Re: [PATCH v3 15/16] memcg/sl[au]b: shrink dead caches
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Re: [PATCH v3 15/16] memcg/sl[au]b: shrink dead caches
By: Tejun Heo on Fri, 21 September 2012 20:40 |
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Re: [PATCH v3 15/16] memcg/sl[au]b: shrink dead caches
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Re: [PATCH v3 15/16] memcg/sl[au]b: shrink dead caches
By: Tejun Heo on Mon, 24 September 2012 17:43 |
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Re: [PATCH v3 15/16] memcg/sl[au]b: shrink dead caches
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[PATCH v3 11/16] memcg: destroy memcg caches
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Re: [PATCH v3 11/16] memcg: destroy memcg caches
By: Tejun Heo on Fri, 21 September 2012 20:22 |
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Re: [PATCH v3 00/16] slab accounting for memcg
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Re: [PATCH v3 00/16] slab accounting for memcg
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Re: [PATCH v3 00/16] slab accounting for memcg
By: Tejun Heo on Fri, 21 September 2012 20:46 |
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Re: [PATCH v3 00/16] slab accounting for memcg
By: Tejun Heo on Fri, 21 September 2012 20:47 |
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Re: [PATCH v3 00/16] slab accounting for memcg
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