summaryrefslogtreecommitdiff
path: root/mm/page_cgroup.c
diff options
context:
space:
mode:
Diffstat (limited to 'mm/page_cgroup.c')
-rw-r--r--mm/page_cgroup.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/mm/page_cgroup.c b/mm/page_cgroup.c
index 39d216d535ea..2d123f94a8df 100644
--- a/mm/page_cgroup.c
+++ b/mm/page_cgroup.c
@@ -133,10 +133,13 @@ struct page *lookup_cgroup_page(struct page_cgroup *pc)
static void *__meminit alloc_page_cgroup(size_t size, int nid)
{
void *addr = NULL;
+ gfp_t flags = GFP_KERNEL | __GFP_NOWARN;
- addr = alloc_pages_exact_nid(nid, size, GFP_KERNEL | __GFP_NOWARN);
- if (addr)
+ addr = alloc_pages_exact_nid(nid, size, flags);
+ if (addr) {
+ kmemleak_alloc(addr, size, 1, flags);
return addr;
+ }
if (node_state(nid, N_HIGH_MEMORY))
addr = vmalloc_node(size, nid);
@@ -357,7 +360,7 @@ struct swap_cgroup_ctrl {
spinlock_t lock;
};
-struct swap_cgroup_ctrl swap_cgroup_ctrl[MAX_SWAPFILES];
+static struct swap_cgroup_ctrl swap_cgroup_ctrl[MAX_SWAPFILES];
struct swap_cgroup {
unsigned short id;
@@ -513,11 +516,10 @@ int swap_cgroup_swapon(int type, unsigned long max_pages)
length = DIV_ROUND_UP(max_pages, SC_PER_PAGE);
array_size = length * sizeof(void *);
- array = vmalloc(array_size);
+ array = vzalloc(array_size);
if (!array)
goto nomem;
- memset(array, 0, array_size);
ctrl = &swap_cgroup_ctrl[type];
mutex_lock(&swap_cgroup_mutex);
ctrl->length = length;