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authorIngo Molnar <mingo@elte.hu>2008-07-26 15:30:40 +0200
committerIngo Molnar <mingo@elte.hu>2008-07-26 15:30:40 +0200
commit1503af661947b7a4a09355cc2ae6aa0d43f16776 (patch)
tree5bfcfadf2dd2d98c2ad251c96d7ee43a6903819a /include/asm-powerpc/pgtable-ppc64.h
parenta31863168660c6b6f6c7ffe05bb6a38e97803326 (diff)
parent024e8ac04453b3525448c31ef39848cf675ba6db (diff)
Merge branch 'linus' into x86/header-guards
Conflicts: include/asm-x86/gpio.h include/asm-x86/ide.h Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-powerpc/pgtable-ppc64.h')
-rw-r--r--include/asm-powerpc/pgtable-ppc64.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/asm-powerpc/pgtable-ppc64.h b/include/asm-powerpc/pgtable-ppc64.h
index ab98a9c80b2..ba8000352b9 100644
--- a/include/asm-powerpc/pgtable-ppc64.h
+++ b/include/asm-powerpc/pgtable-ppc64.h
@@ -117,6 +117,10 @@
#define PAGE_AGP __pgprot(_PAGE_BASE | _PAGE_WRENABLE | _PAGE_NO_CACHE)
#define HAVE_PAGE_AGP
+#define PAGE_PROT_BITS __pgprot(_PAGE_GUARDED | _PAGE_COHERENT | \
+ _PAGE_NO_CACHE | _PAGE_WRITETHRU | \
+ _PAGE_4K_PFN | _PAGE_RW | _PAGE_USER | \
+ _PAGE_ACCESSED | _PAGE_DIRTY | _PAGE_EXEC)
/* PTEIDX nibble */
#define _PTEIDX_SECONDARY 0x8
#define _PTEIDX_GROUP_IX 0x7
@@ -262,6 +266,10 @@ static inline pte_t pte_mkhuge(pte_t pte) {
return pte; }
static inline pte_t pte_mkspecial(pte_t pte) {
return pte; }
+static inline unsigned long pte_pgprot(pte_t pte)
+{
+ return __pgprot(pte_val(pte)) & PAGE_PROT_BITS;
+}
/* Atomic PTE updates */
static inline unsigned long pte_update(struct mm_struct *mm,