powerpc: mman.h export fixups

[linux-2.6-omap-h63xx.git] / include / asm-powerpc / mman.h

diff --git a/include/asm-powerpc/mman.h b/include/asm-powerpc/mman.h
index f5e5342fcac52f94761089e9b4c12f0aebb23b96..9209f755763e100bd93a3b8046098a09c4972de1 100644 (file)
--- a/include/asm-powerpc/mman.h
+++ b/include/asm-powerpc/mman.h
@@ -1,6 +1,8 @@
 #ifndef _ASM_POWERPC_MMAN_H
 #define _ASM_POWERPC_MMAN_H
 
+#include <asm-generic/mman.h>
+
 /*
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -8,19 +10,8 @@
  * 2 of the License, or (at your option) any later version.
  */
 
-#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 */
-#define MAP_FIXED      0x10            /* Interpret addr exactly */
-#define MAP_ANONYMOUS  0x20            /* don't use a file */
+#define PROT_SAO       0x10            /* Strong Access Ordering */
+
 #define MAP_RENAME      MAP_ANONYMOUS   /* In SunOS terminology */
 #define MAP_NORESERVE   0x40            /* don't reserve swap pages */
 #define MAP_LOCKED     0x80
@@ -29,24 +20,44 @@
 #define MAP_DENYWRITE  0x0800          /* ETXTBSY */
 #define MAP_EXECUTABLE 0x1000          /* mark it as an executable */
 
-#define MS_ASYNC       1               /* sync memory asynchronously */
-#define MS_INVALIDATE  2               /* invalidate the caches */
-#define MS_SYNC                4               /* synchronous memory sync */
-
 #define MCL_CURRENT     0x2000          /* lock all currently mapped pages */
 #define MCL_FUTURE      0x4000          /* lock all additions to address space */
 
 #define MAP_POPULATE   0x8000          /* populate (prefault) pagetables */
 #define MAP_NONBLOCK   0x10000         /* do not block on IO */
 
-#define MADV_NORMAL    0x0             /* default page-in behavior */
-#define MADV_RANDOM    0x1             /* page-in minimum required */
-#define MADV_SEQUENTIAL        0x2             /* read-ahead aggressively */
-#define MADV_WILLNEED  0x3             /* pre-fault pages */
-#define MADV_DONTNEED  0x4             /* discard these pages */
+#ifdef __KERNEL__
+#ifdef CONFIG_PPC64
 
-/* compatibility flags */
-#define MAP_ANON       MAP_ANONYMOUS
-#define MAP_FILE       0
+#include <asm/cputable.h>
+#include <linux/mm.h>
 
+/*
+ * This file is included by linux/mman.h, so we can't use cacl_vm_prot_bits()
+ * here.  How important is the optimization?
+ */
+static inline unsigned long arch_calc_vm_prot_bits(unsigned long prot)
+{
+       return (prot & PROT_SAO) ? VM_SAO : 0;
+}
+#define arch_calc_vm_prot_bits(prot) arch_calc_vm_prot_bits(prot)
+
+static inline pgprot_t arch_vm_get_page_prot(unsigned long vm_flags)
+{
+       return (vm_flags & VM_SAO) ? __pgprot(_PAGE_SAO) : 0;
+}
+#define arch_vm_get_page_prot(vm_flags) arch_vm_get_page_prot(vm_flags)
+
+static inline int arch_validate_prot(unsigned long prot)
+{
+       if (prot & ~(PROT_READ | PROT_WRITE | PROT_EXEC | PROT_SEM | PROT_SAO))
+               return 0;
+       if ((prot & PROT_SAO) && !cpu_has_feature(CPU_FTR_SAO))
+               return 0;
+       return 1;
+}
+#define arch_validate_prot(prot) arch_validate_prot(prot)
+
+#endif /* CONFIG_PPC64 */
+#endif /* __KERNEL__ */
 #endif /* _ASM_POWERPC_MMAN_H */