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-rw-r--r--mm/slab.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/mm/slab.c b/mm/slab.c
index 273a5ac2ade3..c9b4da9a1fe5 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -1180,6 +1180,12 @@ static int init_cache_node_node(int node)
return 0;
}
+static inline int slabs_tofree(struct kmem_cache *cachep,
+ struct kmem_cache_node *n)
+{
+ return (n->free_objects + cachep->num - 1) / cachep->num;
+}
+
static void __cpuinit cpuup_canceled(long cpu)
{
struct kmem_cache *cachep;
@@ -1241,7 +1247,7 @@ free_array_cache:
n = cachep->node[node];
if (!n)
continue;
- drain_freelist(cachep, n, n->free_objects);
+ drain_freelist(cachep, n, slabs_tofree(cachep, n));
}
}
@@ -1408,7 +1414,7 @@ static int __meminit drain_cache_node_node(int node)
if (!n)
continue;
- drain_freelist(cachep, n, n->free_objects);
+ drain_freelist(cachep, n, slabs_tofree(cachep, n));
if (!list_empty(&n->slabs_full) ||
!list_empty(&n->slabs_partial)) {
@@ -2534,7 +2540,7 @@ static int __cache_shrink(struct kmem_cache *cachep)
if (!n)
continue;
- drain_freelist(cachep, n, n->free_objects);
+ drain_freelist(cachep, n, slabs_tofree(cachep, n));
ret += !list_empty(&n->slabs_full) ||
!list_empty(&n->slabs_partial);
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