diff options
| -rw-r--r-- | arch/arm/include/asm/pgtable.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/arm/include/asm/pgtable.h b/arch/arm/include/asm/pgtable.h index 1571d12..4078c6d 100644 --- 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; } |