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| author | Christoph Lameter <cl@linux.com> | 2012-09-05 00:18:32 +0000 |
|---|---|---|
| committer | Pekka Enberg <penberg@kernel.org> | 2012-09-05 12:00:36 +0300 |
| commit | 96d17b7be0a9849d381442030886211dbb2a7061 (patch) | |
| tree | b0d15ba6ffcc16732a76367fff194b8052da9fa2 /mm/slub.c | |
| parent | cbb79694d592e9a76880f6ef6db8feccaeee1c32 (diff) | |
| download | linux-3.10-96d17b7be0a9849d381442030886211dbb2a7061.tar.gz linux-3.10-96d17b7be0a9849d381442030886211dbb2a7061.tar.bz2 linux-3.10-96d17b7be0a9849d381442030886211dbb2a7061.zip | |
mm/sl[aou]b: Move sysfs_slab_add to common
Simplify locking by moving the slab_add_sysfs after all locks have been
dropped. Eases the upcoming move to provide sysfs support for all
allocators.
Reviewed-by: Glauber Costa <glommer@parallels.com>
Signed-off-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
Diffstat (limited to 'mm/slub.c')
| -rw-r--r-- | mm/slub.c | 15 |
1 files changed, 2 insertions, 13 deletions
diff --git a/mm/slub.c b/mm/slub.c index 64d445e7a27..8d00fd78df2 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -202,12 +202,10 @@ struct track { enum track_item { TRACK_ALLOC, TRACK_FREE }; #ifdef CONFIG_SYSFS -static int sysfs_slab_add(struct kmem_cache *); static int sysfs_slab_alias(struct kmem_cache *, const char *); static void sysfs_slab_remove(struct kmem_cache *); #else -static inline int sysfs_slab_add(struct kmem_cache *s) { return 0; } static inline int sysfs_slab_alias(struct kmem_cache *s, const char *p) { return 0; } static inline void sysfs_slab_remove(struct kmem_cache *s) { } @@ -3955,16 +3953,7 @@ struct kmem_cache *__kmem_cache_create(const char *name, size_t size, if (s) { if (kmem_cache_open(s, name, size, align, flags, ctor)) { - int r; - - mutex_unlock(&slab_mutex); - r = sysfs_slab_add(s); - mutex_lock(&slab_mutex); - - if (!r) - return s; - - kmem_cache_close(s); + return s; } kmem_cache_free(kmem_cache, s); } @@ -5258,7 +5247,7 @@ static char *create_unique_id(struct kmem_cache *s) return name; } -static int sysfs_slab_add(struct kmem_cache *s) +int sysfs_slab_add(struct kmem_cache *s) { int err; const char *name; |