lkml.org 
[lkml]   [2013]   [Oct]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v2 07/15] slab: use well-defined macro, virt_to_slab()
Date
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


\
 
 \ /
  Last update: 2013-10-16 11:01    [W:0.120 / U:7.880 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site