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authorKonstantin Khlebnikov <[email protected]>2012-05-29 15:06:54 -0700
committerLinus Torvalds <[email protected]>2012-05-29 16:22:25 -0700
commitf3fd4a61928a5edf5b033a417e761b488b43e203 (patch)
treef56c5b6f4a4c732c9167e4cacb3e9c25ced0d000 /include/linux
parent014483bcccc5edbf861d89dc1a6f7cdc02f9f4c0 (diff)
mm: remove lru type checks from __isolate_lru_page()
After patch "mm: forbid lumpy-reclaim in shrink_active_list()" we can completely remove anon/file and active/inactive lru type filters from __isolate_lru_page(), because isolation for 0-order reclaim always isolates pages from right lru list. And pages-isolation for lumpy shrink_inactive_list() or memory-compaction anyway allowed to isolate pages from all evictable lru lists. Signed-off-by: Konstantin Khlebnikov <[email protected]> Acked-by: KAMEZAWA Hiroyuki <[email protected]> Cc: Hugh Dickins <[email protected]> Acked-by: Michal Hocko <[email protected]> Cc: Glauber Costa <[email protected]> Cc: Johannes Weiner <[email protected]> Cc: Minchan Kim <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/mmzone.h10
-rw-r--r--include/linux/swap.h2
2 files changed, 4 insertions, 8 deletions
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 1b89861eedc0..5c4880bc027a 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -209,16 +209,12 @@ struct lruvec {
#define LRU_ALL_EVICTABLE (LRU_ALL_FILE | LRU_ALL_ANON)
#define LRU_ALL ((1 << NR_LRU_LISTS) - 1)
-/* Isolate inactive pages */
-#define ISOLATE_INACTIVE ((__force isolate_mode_t)0x1)
-/* Isolate active pages */
-#define ISOLATE_ACTIVE ((__force isolate_mode_t)0x2)
/* Isolate clean file */
-#define ISOLATE_CLEAN ((__force isolate_mode_t)0x4)
+#define ISOLATE_CLEAN ((__force isolate_mode_t)0x1)
/* Isolate unmapped file */
-#define ISOLATE_UNMAPPED ((__force isolate_mode_t)0x8)
+#define ISOLATE_UNMAPPED ((__force isolate_mode_t)0x2)
/* Isolate for asynchronous migration */
-#define ISOLATE_ASYNC_MIGRATE ((__force isolate_mode_t)0x10)
+#define ISOLATE_ASYNC_MIGRATE ((__force isolate_mode_t)0x4)
/* LRU Isolation modes. */
typedef unsigned __bitwise__ isolate_mode_t;
diff --git a/include/linux/swap.h b/include/linux/swap.h
index 49c0fa9ef5cf..ff38eb7c0ec4 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -251,7 +251,7 @@ static inline void lru_cache_add_file(struct page *page)
/* linux/mm/vmscan.c */
extern unsigned long try_to_free_pages(struct zonelist *zonelist, int order,
gfp_t gfp_mask, nodemask_t *mask);
-extern int __isolate_lru_page(struct page *page, isolate_mode_t mode, int file);
+extern int __isolate_lru_page(struct page *page, isolate_mode_t mode);
extern unsigned long try_to_free_mem_cgroup_pages(struct mem_cgroup *mem,
gfp_t gfp_mask, bool noswap);
extern unsigned long mem_cgroup_shrink_node_zone(struct mem_cgroup *mem,