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authorMel Gorman <mgorman@suse.de>2012-11-02 19:19:13 +0100
committerMel Gorman <mgorman@suse.de>2012-12-11 15:42:48 +0100
commit5606e3877ad8baea42f3a71ebde0a03622bbb551 (patch)
tree4fc481ccb482236ced5fca76ad19729ba083e8da /include/uapi
parentmm: numa: Add pte updates, hinting and migration stats (diff)
downloadlinux-5606e3877ad8baea42f3a71ebde0a03622bbb551.tar.xz
linux-5606e3877ad8baea42f3a71ebde0a03622bbb551.zip
mm: numa: Migrate on reference policy
This is the simplest possible policy that still does something of note. When a pte_numa is faulted, it is moved immediately. Any replacement policy must at least do better than this and in all likelihood this policy regresses normal workloads. Signed-off-by: Mel Gorman <mgorman@suse.de> Acked-by: Rik van Riel <riel@redhat.com>
Diffstat (limited to 'include/uapi')
-rw-r--r--include/uapi/linux/mempolicy.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/uapi/linux/mempolicy.h b/include/uapi/linux/mempolicy.h
index 16fb4e6efbc4..0d11c3dcd3a1 100644
--- a/include/uapi/linux/mempolicy.h
+++ b/include/uapi/linux/mempolicy.h
@@ -67,6 +67,7 @@ enum mpol_rebind_step {
#define MPOL_F_LOCAL (1 << 1) /* preferred local allocation */
#define MPOL_F_REBINDING (1 << 2) /* identify policies in rebinding */
#define MPOL_F_MOF (1 << 3) /* this policy wants migrate on fault */
+#define MPOL_F_MORON (1 << 4) /* Migrate On pte_numa Reference On Node */
#endif /* _UAPI_LINUX_MEMPOLICY_H */