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-rw-r--r--arch/alpha/include/uapi/asm/mman.h77
1 files changed, 77 insertions, 0 deletions
diff --git a/arch/alpha/include/uapi/asm/mman.h b/arch/alpha/include/uapi/asm/mman.h
new file mode 100644
index 0000000..0086b47
--- /dev/null
+++ b/arch/alpha/include/uapi/asm/mman.h
@@ -0,0 +1,77 @@
+#ifndef __ALPHA_MMAN_H__
+#define __ALPHA_MMAN_H__
+
+#define PROT_READ 0x1 /* page can be read */
+#define PROT_WRITE 0x2 /* page can be written */
+#define PROT_EXEC 0x4 /* page can be executed */
+#define PROT_SEM 0x8 /* page may be used for atomic ops */
+#define PROT_NONE 0x0 /* page can not be accessed */
+#define PROT_GROWSDOWN 0x01000000 /* mprotect flag: extend change to start of growsdown vma */
+#define PROT_GROWSUP 0x02000000 /* mprotect flag: extend change to end of growsup vma */
+
+#define MAP_SHARED 0x01 /* Share changes */
+#define MAP_PRIVATE 0x02 /* Changes are private */
+#define MAP_TYPE 0x0f /* Mask for type of mapping (OSF/1 is _wrong_) */
+#define MAP_FIXED 0x100 /* Interpret addr exactly */
+#define MAP_ANONYMOUS 0x10 /* don't use a file */
+
+/* not used by linux, but here to make sure we don't clash with OSF/1 defines */
+#define _MAP_HASSEMAPHORE 0x0200
+#define _MAP_INHERIT 0x0400
+#define _MAP_UNALIGNED 0x0800
+
+/* These are linux-specific */
+#define MAP_GROWSDOWN 0x01000 /* stack-like segment */
+#define MAP_DENYWRITE 0x02000 /* ETXTBSY */
+#define MAP_EXECUTABLE 0x04000 /* mark it as an executable */
+#define MAP_LOCKED 0x08000 /* lock the mapping */
+#define MAP_NORESERVE 0x10000 /* don't check for reservations */
+#define MAP_POPULATE 0x20000 /* populate (prefault) pagetables */
+#define MAP_NONBLOCK 0x40000 /* do not block on IO */
+#define MAP_STACK 0x80000 /* give out an address that is best suited for process/thread stacks */
+#define MAP_HUGETLB 0x100000 /* create a huge page mapping */
+
+#define MS_ASYNC 1 /* sync memory asynchronously */
+#define MS_SYNC 2 /* synchronous memory sync */
+#define MS_INVALIDATE 4 /* invalidate the caches */
+
+#define MCL_CURRENT 8192 /* lock all currently mapped pages */
+#define MCL_FUTURE 16384 /* lock all additions to address space */
+
+#define MADV_NORMAL 0 /* no further special treatment */
+#define MADV_RANDOM 1 /* expect random page references */
+#define MADV_SEQUENTIAL 2 /* expect sequential page references */
+#define MADV_WILLNEED 3 /* will need these pages */
+#define MADV_SPACEAVAIL 5 /* ensure resources are available */
+#define MADV_DONTNEED 6 /* don't need these pages */
+
+/* common/generic parameters */
+#define MADV_REMOVE 9 /* remove these pages & resources */
+#define MADV_DONTFORK 10 /* don't inherit across fork */
+#define MADV_DOFORK 11 /* do inherit across fork */
+
+#define MADV_MERGEABLE 12 /* KSM may merge identical pages */
+#define MADV_UNMERGEABLE 13 /* KSM may not merge identical pages */
+
+#define MADV_HUGEPAGE 14 /* Worth backing with hugepages */
+#define MADV_NOHUGEPAGE 15 /* Not worth backing with hugepages */
+
+#define MADV_DONTDUMP 16 /* Explicity exclude from the core dump,
+ overrides the coredump filter bits */
+#define MADV_DODUMP 17 /* Clear the MADV_NODUMP flag */
+
+/* compatibility flags */
+#define MAP_FILE 0
+
+/*
+ * When MAP_HUGETLB is set bits [26:31] encode the log2 of the huge page size.
+ * This gives us 6 bits, which is enough until someone invents 128 bit address
+ * spaces.
+ *
+ * Assume these are all power of twos.
+ * When 0 use the default page size.
+ */
+#define MAP_HUGE_SHIFT 26
+#define MAP_HUGE_MASK 0x3f
+
+#endif /* __ALPHA_MMAN_H__ */