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-rw-r--r--linux-headers/linux/mman.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/linux-headers/linux/mman.h b/linux-headers/linux/mman.h
index 4e8cb60780..2b83059586 100644
--- a/linux-headers/linux/mman.h
+++ b/linux-headers/linux/mman.h
@@ -17,6 +17,7 @@
 #define MAP_SHARED	0x01		/* Share changes */
 #define MAP_PRIVATE	0x02		/* Changes are private */
 #define MAP_SHARED_VALIDATE 0x03	/* share + validate extension flags */
+#define MAP_DROPPABLE	0x08		/* Zero memory under memory pressure. */
 
 /*
  * Huge page size encoding when MAP_HUGETLB is specified, and a huge page