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Diffstat (limited to 'sysdeps/unix/sysv/linux/bits/mman-linux.h')
-rw-r--r--sysdeps/unix/sysv/linux/bits/mman-linux.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/bits/mman-linux.h b/sysdeps/unix/sysv/linux/bits/mman-linux.h
index 522333c50a..161a885096 100644
--- a/sysdeps/unix/sysv/linux/bits/mman-linux.h
+++ b/sysdeps/unix/sysv/linux/bits/mman-linux.h
@@ -43,6 +43,7 @@
 #define MAP_PRIVATE	0x02		/* Changes are private.  */
 #define MAP_SHARED_VALIDATE	0x03	/* Share changes and validate
 					   extension flags.  */
+#define MAP_DROPPABLE	0x08		/* Zero memory under memory pressure.  */
 #define MAP_TYPE	0x0f		/* Mask for type of mapping.  */
 
 /* Other flags.  */