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-rw-r--r--include/linux/mempolicy.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/mempolicy.h b/include/linux/mempolicy.h
index 9080fab1426..017def89e56 100644
--- a/include/linux/mempolicy.h
+++ b/include/linux/mempolicy.h
@@ -44,6 +44,13 @@ enum {
#define MPOL_MF_MOVE_ALL (1<<2) /* Move every page to conform to mapping */
#define MPOL_MF_INTERNAL (1<<3) /* Internal flags start here */
+/*
+ * Internal flags that share the struct mempolicy flags word with
+ * "mode flags". These flags are allocated from bit 0 up, as they
+ * are never OR'ed into the mode in mempolicy API arguments.
+ */
+#define MPOL_F_SHARED (1 << 0) /* identify shared policies */
+
#ifdef __KERNEL__
#include <linux/mmzone.h>