diff options
| author | Joonsoo Kim <iamjoonsoo.kim@lge.com> | 2016-05-19 17:10:08 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-05-19 19:12:14 -0700 |
| commit | a5aa63a5f7352aa8991f64d46854dcb8d3788d55 (patch) | |
| tree | ccbed2b6746ad69a5b354d46b1f239b1bbb7d84a /mm/slab.c | |
| parent | 8888177ea116d4d14ca0a2ba054d02f35b0dae29 (diff) | |
| download | linux-0-day-a5aa63a5f7352aa8991f64d46854dcb8d3788d55.tar.gz linux-0-day-a5aa63a5f7352aa8991f64d46854dcb8d3788d55.tar.xz | |
mm/slab: drain the free slab as much as possible
slabs_tofree() implies freeing all free slab. We can do it with just
providing INT_MAX.
Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Acked-by: Christoph Lameter <cl@linux.com>
Cc: Jesper Dangaard Brouer <brouer@redhat.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/slab.c')
| -rw-r--r-- | mm/slab.c | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/mm/slab.c b/mm/slab.c index f36d3493f49f2..a998d35599a37 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -895,12 +895,6 @@ 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 cpuup_canceled(long cpu) { struct kmem_cache *cachep; @@ -965,7 +959,7 @@ free_slab: n = get_node(cachep, node); if (!n) continue; - drain_freelist(cachep, n, slabs_tofree(cachep, n)); + drain_freelist(cachep, n, INT_MAX); } } @@ -1117,7 +1111,7 @@ static int __meminit drain_cache_node_node(int node) if (!n) continue; - drain_freelist(cachep, n, slabs_tofree(cachep, n)); + drain_freelist(cachep, n, INT_MAX); if (!list_empty(&n->slabs_full) || !list_empty(&n->slabs_partial)) { @@ -2311,7 +2305,7 @@ int __kmem_cache_shrink(struct kmem_cache *cachep, bool deactivate) check_irq_on(); for_each_kmem_cache_node(cachep, node, n) { - drain_freelist(cachep, n, slabs_tofree(cachep, n)); + drain_freelist(cachep, n, INT_MAX); ret += !list_empty(&n->slabs_full) || !list_empty(&n->slabs_partial); |