Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / arch / alpha / include / uapi / asm / mman.h

diff --git a/kernel/arch/alpha/include/uapi/asm/mman.h b/kernel/arch/alpha/include/uapi/asm/mman.h
new file mode 100644 (file)
index 0000000..0086b47
--- /dev/null
+++ b/kernel/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__ */