From: Ingo Molnar Date: Wed, 30 Jan 2008 12:32:56 +0000 (+0100) Subject: x86/pgtable: unify pagetable accessors, #4 X-Git-Tag: v2.6.25-rc1~1143^2~361 X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=7d00a1ae54779db1bec03fa575cf53d99cb6cc48;p=linux-2.6-omap-h63xx.git x86/pgtable: unify pagetable accessors, #4 add new ops to 32-bit. based on: Subject: x86/pgtable: unify pagetable accessors From: Jeremy Fitzhardinge Signed-off-by: Ingo Molnar Signed-off-by: Thomas Gleixner --- diff --git a/include/asm-x86/pgtable_32.h b/include/asm-x86/pgtable_32.h index c1e855fdf60..b3e92124fc3 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 #else