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-rw-r--r--include/linux/swap.h19
1 files changed, 10 insertions, 9 deletions
diff --git a/include/linux/swap.h b/include/linux/swap.h
index ec2b7a42b45f..ff4acea9bbdb 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -152,6 +152,7 @@ enum {
};
#define SWAP_CLUSTER_MAX 32
+#define COMPACT_CLUSTER_MAX SWAP_CLUSTER_MAX
#define SWAP_MAP_MAX 0x3e /* Max duplication count, in first swap_map */
#define SWAP_MAP_BAD 0x3f /* Note pageblock is bad, in first swap_map */
@@ -224,20 +225,15 @@ static inline void lru_cache_add_anon(struct page *page)
__lru_cache_add(page, LRU_INACTIVE_ANON);
}
-static inline void lru_cache_add_active_anon(struct page *page)
-{
- __lru_cache_add(page, LRU_ACTIVE_ANON);
-}
-
static inline void lru_cache_add_file(struct page *page)
{
__lru_cache_add(page, LRU_INACTIVE_FILE);
}
-static inline void lru_cache_add_active_file(struct page *page)
-{
- __lru_cache_add(page, LRU_ACTIVE_FILE);
-}
+/* LRU Isolation modes. */
+#define ISOLATE_INACTIVE 0 /* Isolate inactive pages. */
+#define ISOLATE_ACTIVE 1 /* Isolate active pages. */
+#define ISOLATE_BOTH 2 /* Isolate both active and inactive pages. */
/* linux/mm/vmscan.c */
extern unsigned long try_to_free_pages(struct zonelist *zonelist, int order,
@@ -286,6 +282,11 @@ extern void kswapd_stop(int nid);
extern int shmem_unuse(swp_entry_t entry, struct page *page);
#endif /* CONFIG_MMU */
+#ifdef CONFIG_CGROUP_MEM_RES_CTLR
+extern void mem_cgroup_get_shmem_target(struct inode *inode, pgoff_t pgoff,
+ struct page **pagep, swp_entry_t *ent);
+#endif
+
extern void swap_unplug_io_fn(struct backing_dev_info *, struct page *);
#ifdef CONFIG_SWAP