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| author | Ingo Molnar <mingo@elte.hu> | 2008-01-30 13:32:56 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-01-30 13:32:56 +0100 |
| commit | 7d00a1ae54779db1bec03fa575cf53d99cb6cc48 (patch) | |
| tree | 8c7029119d1a845f8935f93e64a0bec59faea144 /include | |
| parent | 1444d2da4468f30daff47cacfd98acbd7baf43a7 (diff) | |
| download | op-kernel-dev-7d00a1ae54779db1bec03fa575cf53d99cb6cc48.zip op-kernel-dev-7d00a1ae54779db1bec03fa575cf53d99cb6cc48.tar.gz | |
x86/pgtable: unify pagetable accessors, #4
add new ops to 32-bit.
based on:
Subject: x86/pgtable: unify pagetable accessors
From: Jeremy Fitzhardinge <jeremy@goop.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-x86/pgtable_32.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/asm-x86/pgtable_32.h b/include/asm-x86/pgtable_32.h index c1e855f..b3e9212 100644 --- a/include/asm-x86/pgtable_32.h +++ b/include/asm-x86/pgtable_32.h @@ -123,6 +123,14 @@ static inline pte_t pte_mkyoung(pte_t pte) { return __pte(pte_val(pte) | _PAGE_A static inline pte_t pte_mkwrite(pte_t pte) { return __pte(pte_val(pte) | _PAGE_RW); } static inline pte_t pte_mkhuge(pte_t pte) { return __pte(pte_val(pte) | _PAGE_PSE); } +static inline pte_t pte_clrhuge(pte_t pte) { return __pte(pte_val(pte) & ~_PAGE_PSE); } +static inline pte_t pte_mkexec(pte_t pte) { return __pte(pte_val(pte) & ~_PAGE_NX); } + +static inline int pmd_large(pmd_t pte) { + return (pmd_val(pte) & (_PAGE_PSE|_PAGE_PRESENT)) == + (_PAGE_PSE|_PAGE_PRESENT); +} + #ifdef CONFIG_X86_PAE # include <asm/pgtable-3level.h> #else |
