hc
2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e
kernel/include/uapi/linux/mman.h
....@@ -5,12 +5,17 @@
55 #include <asm/mman.h>
66 #include <asm-generic/hugetlb_encode.h>
77
8
-#define MREMAP_MAYMOVE 1
9
-#define MREMAP_FIXED 2
8
+#define MREMAP_MAYMOVE 1
9
+#define MREMAP_FIXED 2
10
+#define MREMAP_DONTUNMAP 4
1011
1112 #define OVERCOMMIT_GUESS 0
1213 #define OVERCOMMIT_ALWAYS 1
1314 #define OVERCOMMIT_NEVER 2
15
+
16
+#define MAP_SHARED 0x01 /* Share changes */
17
+#define MAP_PRIVATE 0x02 /* Changes are private */
18
+#define MAP_SHARED_VALIDATE 0x03 /* share + validate extension flags */
1419
1520 /*
1621 * Huge page size encoding when MAP_HUGETLB is specified, and a huge page
....@@ -22,6 +27,7 @@
2227 #define MAP_HUGE_SHIFT HUGETLB_FLAG_ENCODE_SHIFT
2328 #define MAP_HUGE_MASK HUGETLB_FLAG_ENCODE_MASK
2429
30
+#define MAP_HUGE_16KB HUGETLB_FLAG_ENCODE_16KB
2531 #define MAP_HUGE_64KB HUGETLB_FLAG_ENCODE_64KB
2632 #define MAP_HUGE_512KB HUGETLB_FLAG_ENCODE_512KB
2733 #define MAP_HUGE_1MB HUGETLB_FLAG_ENCODE_1MB