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-rw-r--r--include/linux/page_cgroup.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/page_cgroup.h b/include/linux/page_cgroup.h
index aef22ae2af47..5bb13b3db84d 100644
--- a/include/linux/page_cgroup.h
+++ b/include/linux/page_cgroup.h
@@ -40,6 +40,7 @@ enum {
PCG_USED, /* this object is in use. */
PCG_ACCT_LRU, /* page has been accounted for */
PCG_FILE_MAPPED, /* page is accounted as "mapped" */
+ PCG_MIGRATION, /* under page migration */
};
#define TESTPCGFLAG(uname, lname) \
@@ -79,6 +80,10 @@ SETPCGFLAG(FileMapped, FILE_MAPPED)
CLEARPCGFLAG(FileMapped, FILE_MAPPED)
TESTPCGFLAG(FileMapped, FILE_MAPPED)
+SETPCGFLAG(Migration, MIGRATION)
+CLEARPCGFLAG(Migration, MIGRATION)
+TESTPCGFLAG(Migration, MIGRATION)
+
static inline int page_cgroup_nid(struct page_cgroup *pc)
{
return page_to_nid(pc->page);
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