Merge tag 'modules-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...

[sfrench/cifs-2.6.git] / arch / arm / include / asm / pgtable.h

diff --git a/arch/arm/include/asm/pgtable.h b/arch/arm/include/asm/pgtable.h
index 7d59b524f2af3c48480762a9b41f36fefb04e546..5478e5d6ad89f4f9b4825623a3cd38a5a8bae91e 100644 (file)
--- a/arch/arm/include/asm/pgtable.h
+++ b/arch/arm/include/asm/pgtable.h
@@ -216,13 +216,16 @@ static inline pte_t *pmd_page_vaddr(pmd_t pmd)
 
 #define pte_none(pte)          (!pte_val(pte))
 #define pte_present(pte)       (pte_val(pte) & L_PTE_PRESENT)
+#define pte_valid(pte)         (pte_val(pte) & L_PTE_VALID)
+#define pte_accessible(mm, pte)        (mm_tlb_flush_pending(mm) ? pte_present(pte) : pte_valid(pte))
 #define pte_write(pte)         (!(pte_val(pte) & L_PTE_RDONLY))
 #define pte_dirty(pte)         (pte_val(pte) & L_PTE_DIRTY)
 #define pte_young(pte)         (pte_val(pte) & L_PTE_YOUNG)
 #define pte_exec(pte)          (!(pte_val(pte) & L_PTE_XN))
 #define pte_special(pte)       (0)
 
-#define pte_present_user(pte)  (pte_present(pte) && (pte_val(pte) & L_PTE_USER))
+#define pte_valid_user(pte)    \
+       (pte_valid(pte) && (pte_val(pte) & L_PTE_USER) && pte_young(pte))
 
 #if __LINUX_ARM_ARCH__ < 6
 static inline void __sync_icache_dcache(pte_t pteval)
@@ -237,7 +240,7 @@ static inline void set_pte_at(struct mm_struct *mm, unsigned long addr,
 {
        unsigned long ext = 0;
 
-       if (addr < TASK_SIZE && pte_present_user(pteval)) {
+       if (addr < TASK_SIZE && pte_valid_user(pteval)) {
                __sync_icache_dcache(pteval);
                ext |= PTE_EXT_NG;
        }