Reduce code somewhat by the use of kmem_cache_node.
Signed-off-by: Christoph Lameter <cl@xxxxxxxxx>
Index: linux/mm/slab.c
===================================================================
--- linux.orig/mm/slab.c 2014-05-30 13:08:32.986856450 -0500
+++ linux/mm/slab.c 2014-05-30 13:08:32.986856450 -0500
@@ -2415,17 +2415,12 @@ static void drain_cpu_caches(struct kmem
on_each_cpu(do_drain, cachep, 1);
check_irq_on();
- for_each_online_node(node) {
- n = get_node(cachep, node);
- if (n && n->alien)
+ for_each_kmem_cache_node(cachep, node, n)
+ if (n->alien)
drain_alien_cache(cachep, n->alien);
- }
- for_each_online_node(node) {
- n = get_node(cachep, node);
- if (n)
- drain_array(cachep, n, n->shared, 1, node);
- }
+ for_each_kmem_cache_node(cachep, node, n)
+ drain_array(cachep, n, n->shared, 1, node);
}
/*
@@ -2478,11 +2473,7 @@ static int __cache_shrink(struct kmem_ca
drain_cpu_caches(cachep);
check_irq_on();
- for_each_online_node(i) {
- n = get_node(cachep, i);
- if (!n)
- continue;
-
+ for_each_kmem_cache_node(cachep, i, n) {
drain_freelist(cachep, n, slabs_tofree(cachep, n));
ret += !list_empty(&n->slabs_full) ||
@@ -2525,13 +2516,10 @@ int __kmem_cache_shutdown(struct kmem_ca
kfree(cachep->array[i]);
/* NUMA: free the node structures */
- for_each_online_node(i) {
- n = get_node(cachep, i);
- if (n) {
- kfree(n->shared);
- free_alien_cache(n->alien);
- kfree(n);
- }
+ for_each_kmem_cache_node(cachep, i, n) {
+ kfree(n->shared);
+ free_alien_cache(n->alien);
+ kfree(n);
}
return 0;
}
--
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