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>
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_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