Messages in this thread Patch in this message | | | From | Joonsoo Kim <> | Subject | [PATCH v2 07/15] slab: use well-defined macro, virt_to_slab() | Date | Wed, 16 Oct 2013 17:44:04 +0900 |
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This is trivial change, just use well-defined macro.
Acked-by: Christoph Lameter <cl@linux.com> Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
diff --git a/mm/slab.c b/mm/slab.c index 84c4ed6..f9e676e 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; } -- 1.7.9.5
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