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authorJoonsoo Kim <iamjoonsoo.kim@lge.com>2016-03-15 14:54:44 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-03-15 16:55:16 -0700
commitd8410234db6a1bb05408ba2f0e3fd6b04ef626a3 (patch)
treefb869ccb16ceaa46b22f628c9853dbe06d6dd0e8
parent3217fd9bdf0017bd0847939f67d52a9c71d8fc56 (diff)
downloadop-kernel-dev-d8410234db6a1bb05408ba2f0e3fd6b04ef626a3.zip
op-kernel-dev-d8410234db6a1bb05408ba2f0e3fd6b04ef626a3.tar.gz
mm/slab: factor out slab list fixup code
Slab list should be fixed up after object is detached from the slab and this happens at two places. They do exactly same thing. They will be changed in the following patch, so, to reduce code duplication, this patch factor out them and make it common function. Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com> Cc: Christoph Lameter <cl@linux.com> Cc: Pekka Enberg <penberg@kernel.org> Cc: David Rientjes <rientjes@google.com> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Cc: Jesper Dangaard Brouer <brouer@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--mm/slab.c25
1 files changed, 13 insertions, 12 deletions
diff --git a/mm/slab.c b/mm/slab.c
index ab43d9f..95e5d63 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -2723,6 +2723,17 @@ static void *cache_free_debugcheck(struct kmem_cache *cachep, void *objp,
#define cache_free_debugcheck(x,objp,z) (objp)
#endif
+static inline void fixup_slab_list(struct kmem_cache *cachep,
+ struct kmem_cache_node *n, struct page *page)
+{
+ /* move slabp to correct slabp list: */
+ list_del(&page->lru);
+ if (page->active == cachep->num)
+ list_add(&page->lru, &n->slabs_full);
+ else
+ list_add(&page->lru, &n->slabs_partial);
+}
+
static struct page *get_first_slab(struct kmem_cache_node *n)
{
struct page *page;
@@ -2796,12 +2807,7 @@ retry:
ac_put_obj(cachep, ac, slab_get_obj(cachep, page));
}
- /* move slabp to correct slabp list: */
- list_del(&page->lru);
- if (page->active == cachep->num)
- list_add(&page->lru, &n->slabs_full);
- else
- list_add(&page->lru, &n->slabs_partial);
+ fixup_slab_list(cachep, n, page);
}
must_grow:
@@ -3067,13 +3073,8 @@ retry:
obj = slab_get_obj(cachep, page);
n->free_objects--;
- /* move slabp to correct slabp list: */
- list_del(&page->lru);
- if (page->active == cachep->num)
- list_add(&page->lru, &n->slabs_full);
- else
- list_add(&page->lru, &n->slabs_partial);
+ fixup_slab_list(cachep, n, page);
spin_unlock(&n->list_lock);
goto done;
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