From: Alex Shi <alex.shi@xxxxxxxxxxxxxxxxx>
Subject: mm/vmscan: remove unused RECLAIM_OFF/RECLAIM_ZONE
commit 1b2ffb7896ad ("[PATCH] Zone reclaim: Allow modification of zone
reclaim behavior")' defined RECLAIM_OFF/RECLAIM_ZONE, but never use them,
so better to remove them.
[dwagner@xxxxxxx: fix sanity checks enabling]
Link: http://lkml.kernel.org/r/20200116131642.642-1-dwagner@xxxxxxx
[akpm@xxxxxxxxxxxxxxxxxxxx: renumber the bits for neatness]
Link: http://lkml.kernel.org/r/1579005573-58923-1-git-send-email-alex.shi@xxxxxxxxxxxxxxxxx
Signed-off-by: Alex Shi <alex.shi@xxxxxxxxxxxxxxxxx>
Signed-off-by: Daniel Wagner <dwagner@xxxxxxx>
Reviewed-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: "Tobin C. Harding" <tobin@xxxxxxxxxx>
Cc: Christoph Lameter <cl@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/vmscan.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
--- a/mm/vmscan.c~mm-vmscan-remove-unused-reclaim_off-reclaim_zone
+++ a/mm/vmscan.c
@@ -4110,10 +4110,8 @@ module_init(kswapd_init)
*/
int node_reclaim_mode __read_mostly;
-#define RECLAIM_OFF 0
-#define RECLAIM_ZONE (1<<0) /* Run shrink_inactive_list on the zone */
-#define RECLAIM_WRITE (1<<1) /* Writeout pages during reclaim */
-#define RECLAIM_UNMAP (1<<2) /* Unmap pages during reclaim */
+#define RECLAIM_WRITE (1<<0) /* Writeout pages during reclaim */
+#define RECLAIM_UNMAP (1<<1) /* Unmap pages during reclaim */
/*
* Priority for NODE_RECLAIM. This determines the fraction of pages
_
