This is trivial change, just use well-defined macro.
Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
diff --git a/mm/slab.c b/mm/slab.c
index 9e98ee0..ee03eba 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -2853,7 +2853,6 @@ 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;
@@ -2861,9 +2860,7 @@ 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);
@@ -3075,7 +3072,7 @@ 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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