mm: vmscan: do not scan anon pages if memcg swap limit is hit

[linux-2.6-block.git] / include / linux / swap.h

diff --git a/include/linux/swap.h b/include/linux/swap.h
index c2bd163a5e7e82c662e396d8f2a83c45b3020448..a587050204f9fbef4f4cb76854158dc9455cc7c4 100644 (file)
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -551,6 +551,7 @@ static inline int mem_cgroup_swappiness(struct mem_cgroup *mem)
 extern void mem_cgroup_swapout(struct page *page, swp_entry_t entry);
 extern int mem_cgroup_try_charge_swap(struct page *page, swp_entry_t entry);
 extern void mem_cgroup_uncharge_swap(swp_entry_t entry);
+extern long mem_cgroup_get_nr_swap_pages(struct mem_cgroup *memcg);
 #else
 static inline void mem_cgroup_swapout(struct page *page, swp_entry_t entry)
 {
@@ -565,6 +566,11 @@ static inline int mem_cgroup_try_charge_swap(struct page *page,
 static inline void mem_cgroup_uncharge_swap(swp_entry_t entry)
 {
 }
+
+static inline long mem_cgroup_get_nr_swap_pages(struct mem_cgroup *memcg)
+{
+       return get_nr_swap_pages();
+}
 #endif
 
 #endif /* __KERNEL__*/