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authorIngo Molnar <mingo@elte.hu>2008-07-29 00:07:55 +0200
committerIngo Molnar <mingo@elte.hu>2008-07-29 00:07:55 +0200
commitcb28a1bbdb4790378e7366d6c9ee1d2340b84f92 (patch)
tree316436f77dac75335fd2c3ef5f109e71606c50d3 /include/asm-x86/page.h
parentb6d4f7e3ef25beb8c658c97867d98883e69dc544 (diff)
parentf934fb19ef34730263e6afc01e8ec27a8a71470f (diff)
Merge branch 'linus' into core/generic-dma-coherent
Conflicts: arch/x86/Kconfig Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-x86/page.h')
-rw-r--r--include/asm-x86/page.h17
1 files changed, 12 insertions, 5 deletions
diff --git a/include/asm-x86/page.h b/include/asm-x86/page.h
index 28d7b4533b1..49982110e4d 100644
--- a/include/asm-x86/page.h
+++ b/include/asm-x86/page.h
@@ -18,8 +18,11 @@
(ie, 32-bit PAE). */
#define PHYSICAL_PAGE_MASK (((signed long)PAGE_MASK) & __PHYSICAL_MASK)
-/* PTE_MASK extracts the PFN from a (pte|pmd|pud|pgd)val_t */
-#define PTE_MASK ((pteval_t)PHYSICAL_PAGE_MASK)
+/* PTE_PFN_MASK extracts the PFN from a (pte|pmd|pud|pgd)val_t */
+#define PTE_PFN_MASK ((pteval_t)PHYSICAL_PAGE_MASK)
+
+/* PTE_FLAGS_MASK extracts the flags from a (pte|pmd|pud|pgd)val_t */
+#define PTE_FLAGS_MASK (~PTE_PFN_MASK)
#define PMD_PAGE_SIZE (_AC(1, UL) << PMD_SHIFT)
#define PMD_PAGE_MASK (~(PMD_PAGE_SIZE-1))
@@ -29,8 +32,7 @@
#define HPAGE_MASK (~(HPAGE_SIZE - 1))
#define HUGETLB_PAGE_ORDER (HPAGE_SHIFT - PAGE_SHIFT)
-/* to align the pointer to the (next) page boundary */
-#define PAGE_ALIGN(addr) (((addr)+PAGE_SIZE-1)&PAGE_MASK)
+#define HUGE_MAX_HSTATE 2
#ifndef __ASSEMBLY__
#include <linux/types.h>
@@ -144,6 +146,11 @@ static inline pteval_t native_pte_val(pte_t pte)
return pte.pte;
}
+static inline pteval_t native_pte_flags(pte_t pte)
+{
+ return native_pte_val(pte) & PTE_FLAGS_MASK;
+}
+
#define pgprot_val(x) ((x).pgprot)
#define __pgprot(x) ((pgprot_t) { (x) } )
@@ -165,7 +172,7 @@ static inline pteval_t native_pte_val(pte_t pte)
#endif
#define pte_val(x) native_pte_val(x)
-#define pte_flags(x) native_pte_val(x)
+#define pte_flags(x) native_pte_flags(x)
#define __pte(x) native_make_pte(x)
#endif /* CONFIG_PARAVIRT */