mmap: allow unlimited overcommit

Change-Id: Iba07b5c504b4a202cd163ce682f3fc72a31284a0
2020-07-10 14:52:57 +09:00
parent d78a0fd05d
commit bafe540d86
4 changed files with 15 additions and 0 deletions
--- a/kernel/include/mman.h
+++ b/kernel/include/mman.h
@@ -72,4 +72,11 @@
 #define	MS_INVALIDATE	0x02
 #define	MS_SYNC		0x04

+/* include/uapi/linux/mman.h */
+#define OVERCOMMIT_GUESS		0
+#define OVERCOMMIT_ALWAYS		1
+#define OVERCOMMIT_NEVER		2
+
+extern int sysctl_overcommit_memory;
+
 #endif /* HEADER_MMAN_H */