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| author | Joerg Roedel <joerg.roedel@amd.com> | 2008-01-30 13:31:02 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-01-30 13:31:02 +0100 |
| commit | 1c6f70309900c47eeaef12c97b206fcccde1ebe2 (patch) | |
| tree | 26b1908adb72b6093ccbd128357d842861450934 /include/asm-x86/pgtable_64.h | |
| parent | 2ba7deef09dad6662dc4fa8b275af8d0794fd9fc (diff) | |
| download | lwn-1c6f70309900c47eeaef12c97b206fcccde1ebe2.tar.gz lwn-1c6f70309900c47eeaef12c97b206fcccde1ebe2.zip | |
x86: define all _PAGE_* in terms of _PAGE_BIT_* on 64-bit
This patch defines the _PAGE_* paging attributes in pgtable_64.h in terms of
the former defined _PAGE_BIT_* values.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/asm-x86/pgtable_64.h')
| -rw-r--r-- | include/asm-x86/pgtable_64.h | 27 |
1 files changed, 15 insertions, 12 deletions
diff --git a/include/asm-x86/pgtable_64.h b/include/asm-x86/pgtable_64.h index 9b0ff477b39e..9d4f11dd566f 100644 --- a/include/asm-x86/pgtable_64.h +++ b/include/asm-x86/pgtable_64.h @@ -150,19 +150,23 @@ static inline pte_t ptep_get_and_clear_full(struct mm_struct *mm, unsigned long #define _PAGE_BIT_ACCESSED 5 #define _PAGE_BIT_DIRTY 6 #define _PAGE_BIT_PSE 7 /* 4 MB (or 2MB) page */ +#define _PAGE_BIT_FILE 6 #define _PAGE_BIT_GLOBAL 8 /* Global TLB entry PPro+ */ #define _PAGE_BIT_NX 63 /* No execute: only valid after cpuid check */ -#define _PAGE_PRESENT 0x001 -#define _PAGE_RW 0x002 -#define _PAGE_USER 0x004 -#define _PAGE_PWT 0x008 -#define _PAGE_PCD 0x010 -#define _PAGE_ACCESSED 0x020 -#define _PAGE_DIRTY 0x040 -#define _PAGE_PSE 0x080 /* 2MB page */ -#define _PAGE_FILE 0x040 /* nonlinear file mapping, saved PTE; unset:swap */ -#define _PAGE_GLOBAL 0x100 /* Global TLB entry */ +#define _PAGE_PRESENT (_AC(1,UL)<<_PAGE_BIT_PRESENT) +#define _PAGE_RW (_AC(1,UL)<<_PAGE_BIT_RW) +#define _PAGE_USER (_AC(1,UL)<<_PAGE_BIT_USER) +#define _PAGE_PWT (_AC(1,UL)<<_PAGE_BIT_PWT) +#define _PAGE_PCD (_AC(1,UL)<<_PAGE_BIT_PCD) +#define _PAGE_ACCESSED (_AC(1,UL)<<_PAGE_BIT_ACCESSED) +#define _PAGE_DIRTY (_AC(1,UL)<<_PAGE_BIT_DIRTY) +/* 2MB page */ +#define _PAGE_PSE (_AC(1,UL)<<_PAGE_BIT_PSE) +/* nonlinear file mapping, saved PTE; unset:swap */ +#define _PAGE_FILE (_AC(1,UL)<<_PAGE_BIT_FILE) +/* Global TLB entry */ +#define _PAGE_GLOBAL (_AC(1,UL)<<_PAGE_BIT_GLOBAL) #define _PAGE_PROTNONE 0x080 /* If not present */ #define _PAGE_NX (_AC(1,UL)<<_PAGE_BIT_NX) @@ -248,8 +252,7 @@ static inline unsigned long pmd_bad(pmd_t pmd) #define pte_present(x) (pte_val(x) & (_PAGE_PRESENT | _PAGE_PROTNONE)) #define pte_clear(mm,addr,xp) do { set_pte_at(mm, addr, xp, __pte(0)); } while (0) -#define pages_to_mb(x) ((x) >> (20-PAGE_SHIFT)) /* FIXME: is this - right? */ +#define pages_to_mb(x) ((x) >> (20-PAGE_SHIFT)) /* FIXME: is this right? */ #define pte_page(x) pfn_to_page(pte_pfn(x)) #define pte_pfn(x) ((pte_val(x) & __PHYSICAL_MASK) >> PAGE_SHIFT) |