diff options
| author | Joonsoo Kim <iamjoonsoo.kim@lge.com> | 2013-10-24 10:07:43 +0900 |
|---|---|---|
| committer | Pekka Enberg <penberg@iki.fi> | 2013-10-24 20:17:32 +0300 |
| commit | 56f295ef0dfa7e1d0be18deebe0c15fb6b2d9d5b (patch) | |
| tree | 044d1c6e72a7a464f777f1fcb5d23fe40c38e376 /mm/slab.c | |
| parent | 68126702b419fd26ef4946e314bb3a1f57d3a53f (diff) | |
| download | lwn-56f295ef0dfa7e1d0be18deebe0c15fb6b2d9d5b.tar.gz lwn-56f295ef0dfa7e1d0be18deebe0c15fb6b2d9d5b.zip | |
slab: use well-defined macro, virt_to_slab()
This is trivial change, just use well-defined macro.
Acked-by: Andi Kleen <ak@linux.intel.com>
Acked-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Signed-off-by: Pekka Enberg <penberg@iki.fi>
Diffstat (limited to 'mm/slab.c')
| -rw-r--r-- | mm/slab.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/mm/slab.c b/mm/slab.c index 84c4ed62c10d..f9e676edeb0f 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -2865,7 +2865,6 @@ static inline void verify_redzone_free(struct kmem_cache *cache, void *obj) static void *cache_free_debugcheck(struct kmem_cache *cachep, void *objp, unsigned long caller) { - struct page *page; unsigned int objnr; struct slab *slabp; @@ -2873,9 +2872,7 @@ static void *cache_free_debugcheck(struct kmem_cache *cachep, void *objp, objp -= obj_offset(cachep); kfree_debugcheck(objp); - page = virt_to_head_page(objp); - - slabp = page->slab_page; + slabp = virt_to_slab(objp); if (cachep->flags & SLAB_RED_ZONE) { verify_redzone_free(cachep, objp); @@ -3087,7 +3084,7 @@ static void *cache_alloc_debugcheck_after(struct kmem_cache *cachep, struct slab *slabp; unsigned objnr; - slabp = virt_to_head_page(objp)->slab_page; + slabp = virt_to_slab(objp); objnr = (unsigned)(objp - slabp->s_mem) / cachep->size; slab_bufctl(slabp)[objnr] = BUFCTL_ACTIVE; } |