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authorIngo Molnar <mingo@kernel.org>2014-07-17 11:45:29 +0200
committerIngo Molnar <mingo@kernel.org>2014-07-17 11:45:29 +0200
commitb5e4111f027c4be85dbe97e090530d03c55c4cf4 (patch)
tree11e0a37cb59314f4e9a7b2810124a4a7a33140e5 /include/linux/page-flags.h
parent72d5305dcb3637913c2c37e847a4de9028e49244 (diff)
parent9de8033f1bbcce5ed23fe5da9ca1a5060207f7ed (diff)
Merge branch 'locking/urgent' into locking/core, before applying larger changes and to refresh the branch with fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/page-flags.h')
-rw-r--r--include/linux/page-flags.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
index 3c545b48aeab..8304959ad336 100644
--- a/include/linux/page-flags.h
+++ b/include/linux/page-flags.h
@@ -360,6 +360,9 @@ static inline void ClearPageCompound(struct page *page)
ClearPageHead(page);
}
#endif
+
+#define PG_head_mask ((1L << PG_head))
+
#else
/*
* Reduce page flag use as much as possible by overlapping