From b6676de8d7b48724d4cd3a3742c62fa525baa904 Mon Sep 17 00:00:00 2001
From: Dave Hansen <dave.hansen@linux.intel.com>
Date: Tue, 4 May 2021 18:36:01 -0700
Subject: [PATCH] mm/vmscan: move RECLAIM* bits to uapi header
It is currently not obvious that the RECLAIM_* bits are part of the uapi
since they are defined in vmscan.c. Move them to a uapi header to make it
obvious.
This should have no functional impact.
Link: https://lkml.kernel.org/r/20210219172557.08074910@viggo.jf.intel.com
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Reviewed-by: Ben Widawsky <ben.widawsky@intel.com>
Reviewed-by: Oscar Salvador <osalvador@suse.de>
Acked-by: David Rientjes <rientjes@google.com>
Acked-by: Christoph Lameter <cl@linux.com>
Cc: Alex Shi <alex.shi@linux.alibaba.com>
Cc: Daniel Wagner <dwagner@suse.de>
Cc: "Tobin C. Harding" <tobin@kernel.org>
Cc: Christoph Lameter <cl@linux.com>
Cc: Huang Ying <ying.huang@intel.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Qian Cai <cai@lca.pw>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
include/uapi/linux/mempolicy.h | 7 +++++++
mm/vmscan.c | 8 --------
2 files changed, 7 insertions(+), 8 deletions(-)
diff --git a/include/uapi/linux/mempolicy.h b/include/uapi/linux/mempolicy.h
index 8948467b3992b..4832fd0b56421 100644
--- a/include/uapi/linux/mempolicy.h
+++ b/include/uapi/linux/mempolicy.h
@@ -64,5 +64,12 @@ enum {
#define MPOL_F_MOF (1 << 3) /* this policy wants migrate on fault */
#define MPOL_F_MORON (1 << 4) /* Migrate On protnone Reference On Node */
+/*
+ * These bit locations are exposed in the vm.zone_reclaim_mode sysctl
+ * ABI. New bits are OK, but existing bits can never change.
+ */
+#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 */
#endif /* _UAPI_LINUX_MEMPOLICY_H */
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 42aaef30633e3..671143dbf8096 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -4086,14 +4086,6 @@ module_init(kswapd_init)
*/
int node_reclaim_mode __read_mostly;
-/*
- * These bit locations are exposed in the vm.zone_reclaim_mode sysctl
- * ABI. New bits are OK, but existing bits can never change.
- */
-#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 */
-
/*
* Priority for NODE_RECLAIM. This determines the fraction of pages
* of a node considered for each zone_reclaim. 4 scans 1/16th of
--
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