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memcg, slab: separate memcg vs root cache creation paths
Memcg-awareness turned kmem_cache_create() into a dirty interweaving of memcg-only and except-for-memcg calls. To clean this up, let's move the code responsible for memcg cache creation to a separate function. Signed-off-by: Vladimir Davydov <vdavydov@parallels.com> Cc: Michal Hocko <mhocko@suse.cz> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: David Rientjes <rientjes@google.com> Cc: Pekka Enberg <penberg@kernel.org> Cc: Glauber Costa <glommer@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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4 changed files with 113 additions and 97 deletions
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@ -115,9 +115,9 @@ int slab_is_available(void);
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struct kmem_cache *kmem_cache_create(const char *, size_t, size_t,
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unsigned long,
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void (*)(void *));
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struct kmem_cache *
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kmem_cache_create_memcg(struct mem_cgroup *, const char *, size_t, size_t,
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unsigned long, void (*)(void *), struct kmem_cache *);
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#ifdef CONFIG_MEMCG_KMEM
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void kmem_cache_create_memcg(struct mem_cgroup *, struct kmem_cache *);
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#endif
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void kmem_cache_destroy(struct kmem_cache *);
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int kmem_cache_shrink(struct kmem_cache *);
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void kmem_cache_free(struct kmem_cache *, void *);
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