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>
This commit is contained in:
parent
8888177ea1
commit
a5aa63a5f7
12
mm/slab.c
12
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);
|
||||
|
|
Loading…
Reference in a new issue