From 56f295ef0dfa7e1d0be18deebe0c15fb6b2d9d5b Mon Sep 17 00:00:00 2001 From: Joonsoo Kim Date: Thu, 24 Oct 2013 10:07:43 +0900 Subject: slab: use well-defined macro, virt_to_slab() This is trivial change, just use well-defined macro. Acked-by: Andi Kleen Acked-by: Christoph Lameter Signed-off-by: Joonsoo Kim Signed-off-by: Pekka Enberg --- mm/slab.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) (limited to 'mm') 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; } -- cgit v1.2.3