summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--include/linux/mempolicy.h2
-rw-r--r--mm/mempolicy.c15
-rw-r--r--mm/slab.c4
-rw-r--r--mm/slub.c2
4 files changed, 10 insertions, 13 deletions
diff --git a/include/linux/mempolicy.h b/include/linux/mempolicy.h
index 5f1ea75..cfe55df 100644
--- a/include/linux/mempolicy.h
+++ b/include/linux/mempolicy.h
@@ -151,7 +151,7 @@ extern struct zonelist *huge_zonelist(struct vm_area_struct *vma,
extern bool init_nodemask_of_mempolicy(nodemask_t *mask);
extern bool mempolicy_nodemask_intersects(struct task_struct *tsk,
const nodemask_t *mask);
-extern unsigned slab_node(void);
+extern unsigned int mempolicy_slab_node(void);
extern enum zone_type policy_zone;
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index e3ab028..0ad0ba3 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -1782,21 +1782,18 @@ static unsigned interleave_nodes(struct mempolicy *policy)
/*
* Depending on the memory policy provide a node from which to allocate the
* next slab entry.
- * @policy must be protected by freeing by the caller. If @policy is
- * the current task's mempolicy, this protection is implicit, as only the
- * task can change it's policy. The system default policy requires no
- * such protection.
*/
-unsigned slab_node(void)
+unsigned int mempolicy_slab_node(void)
{
struct mempolicy *policy;
+ int node = numa_mem_id();
if (in_interrupt())
- return numa_node_id();
+ return node;
policy = current->mempolicy;
if (!policy || policy->flags & MPOL_F_LOCAL)
- return numa_node_id();
+ return node;
switch (policy->mode) {
case MPOL_PREFERRED:
@@ -1816,11 +1813,11 @@ unsigned slab_node(void)
struct zonelist *zonelist;
struct zone *zone;
enum zone_type highest_zoneidx = gfp_zone(GFP_KERNEL);
- zonelist = &NODE_DATA(numa_node_id())->node_zonelists[0];
+ zonelist = &NODE_DATA(node)->node_zonelists[0];
(void)first_zones_zonelist(zonelist, highest_zoneidx,
&policy->v.nodes,
&zone);
- return zone ? zone->node : numa_node_id();
+ return zone ? zone->node : node;
}
default:
diff --git a/mm/slab.c b/mm/slab.c
index 9153c80..4b17f4c 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -3042,7 +3042,7 @@ static void *alternate_node_alloc(struct kmem_cache *cachep, gfp_t flags)
if (cpuset_do_slab_mem_spread() && (cachep->flags & SLAB_MEM_SPREAD))
nid_alloc = cpuset_slab_spread_node();
else if (current->mempolicy)
- nid_alloc = slab_node();
+ nid_alloc = mempolicy_slab_node();
if (nid_alloc != nid_here)
return ____cache_alloc_node(cachep, flags, nid_alloc);
return NULL;
@@ -3074,7 +3074,7 @@ static void *fallback_alloc(struct kmem_cache *cache, gfp_t flags)
retry_cpuset:
cpuset_mems_cookie = read_mems_allowed_begin();
- zonelist = node_zonelist(slab_node(), flags);
+ zonelist = node_zonelist(mempolicy_slab_node(), flags);
retry:
/*
diff --git a/mm/slub.c b/mm/slub.c
index fe6d7be..5b05e4f 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -1685,7 +1685,7 @@ static void *get_any_partial(struct kmem_cache *s, gfp_t flags,
do {
cpuset_mems_cookie = read_mems_allowed_begin();
- zonelist = node_zonelist(slab_node(), flags);
+ zonelist = node_zonelist(mempolicy_slab_node(), flags);
for_each_zone_zonelist(zone, z, zonelist, high_zoneidx) {
struct kmem_cache_node *n;
OpenPOWER on IntegriCloud