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2023-12-11 1f93a7dfd1f8d5ff7a5c53246c7534fe2332d6f4

 kernel/tools/include/uapi/linux/mman.h
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@@ -5,12 +5,17 @@
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 #include <asm/mman.h>
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 #include <asm-generic/hugetlb_encode.h>
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-#define MREMAP_MAYMOVE	1
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-#define MREMAP_FIXED	2
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+#define MREMAP_MAYMOVE		1
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+#define MREMAP_FIXED		2
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+#define MREMAP_DONTUNMAP	4
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 #define OVERCOMMIT_GUESS		0
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 #define OVERCOMMIT_ALWAYS		1
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 #define OVERCOMMIT_NEVER		2
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+
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+#define MAP_SHARED	0x01		/* Share changes */
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+#define MAP_PRIVATE	0x02		/* Changes are private */
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+#define MAP_SHARED_VALIDATE 0x03	/* share + validate extension flags */
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 /*
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  * Huge page size encoding when MAP_HUGETLB is specified, and a huge page
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@@ -22,13 +27,16 @@
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 #define MAP_HUGE_SHIFT	HUGETLB_FLAG_ENCODE_SHIFT
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 #define MAP_HUGE_MASK	HUGETLB_FLAG_ENCODE_MASK
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+#define MAP_HUGE_16KB	HUGETLB_FLAG_ENCODE_16KB
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 #define MAP_HUGE_64KB	HUGETLB_FLAG_ENCODE_64KB
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 #define MAP_HUGE_512KB	HUGETLB_FLAG_ENCODE_512KB
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 #define MAP_HUGE_1MB	HUGETLB_FLAG_ENCODE_1MB
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 #define MAP_HUGE_2MB	HUGETLB_FLAG_ENCODE_2MB
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 #define MAP_HUGE_8MB	HUGETLB_FLAG_ENCODE_8MB
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 #define MAP_HUGE_16MB	HUGETLB_FLAG_ENCODE_16MB
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+#define MAP_HUGE_32MB	HUGETLB_FLAG_ENCODE_32MB
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 #define MAP_HUGE_256MB	HUGETLB_FLAG_ENCODE_256MB
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+#define MAP_HUGE_512MB	HUGETLB_FLAG_ENCODE_512MB
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 #define MAP_HUGE_1GB	HUGETLB_FLAG_ENCODE_1GB
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 #define MAP_HUGE_2GB	HUGETLB_FLAG_ENCODE_2GB
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 #define MAP_HUGE_16GB	HUGETLB_FLAG_ENCODE_16GB