memcg: remove unused page flag bitfield defines

These definitions have been unused since '4b3bde4 memcg: remove the
overhead associated with the root cgroup'.

Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Cc: Balbir Singh <balbir@linux.vnet.ibm.com>
Cc: Minchan Kim <minchan.kim@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 62bbb48..0595e2b 100644 (file)
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -327,13 +327,6 @@ enum charge_type {
        NR_CHARGE_TYPE,
 };
 
-/* only for here (for easy reading.) */
-#define PCGF_CACHE     (1UL << PCG_CACHE)
-#define PCGF_USED      (1UL << PCG_USED)
-#define PCGF_LOCK      (1UL << PCG_LOCK)
-/* Not used, but added here for completeness */
-#define PCGF_ACCT      (1UL << PCG_ACCT)
-
 /* for encoding cft->private value on file */
 #define _MEM                   (0)
 #define _MEMSWAP               (1)