}
static inline pte_t pte_mkread(pte_t pte)
-{
- pte_set_bits(pte, _PAGE_RW);
- return(pte_mknewprot(pte));
-}
-
-static inline pte_t pte_mkexec(pte_t pte)
{
pte_set_bits(pte, _PAGE_USER);
return(pte_mknewprot(pte));
return pte;
}
-#define pmd_page_kernel(pmd) ((unsigned long) __va(pmd_val(pmd) & PAGE_MASK))
+#define pmd_page_vaddr(pmd) ((unsigned long) __va(pmd_val(pmd) & PAGE_MASK))
/*
* the pgd page can be thought of an array like this: pgd_t[PTRS_PER_PGD]
*/
#define pte_index(address) (((address) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))
#define pte_offset_kernel(dir, address) \
- ((pte_t *) pmd_page_kernel(*(dir)) + pte_index(address))
+ ((pte_t *) pmd_page_vaddr(*(dir)) + pte_index(address))
#define pte_offset_map(dir, address) \
((pte_t *)page_address(pmd_page(*(dir))) + pte_index(address))
#define pte_offset_map_nested(dir, address) pte_offset_map(dir, address)
#include <asm-generic/pgtable-nopud.h>
+#ifdef CONFIG_HIGHMEM
+/* Clear a kernel PTE and flush it from the TLB */
+#define kpte_clear_flush(ptep, vaddr) \
+do { \
+ pte_clear(&init_mm, vaddr, ptep); \
+ __flush_tlb_one(vaddr); \
+} while (0)
+#endif
+
#endif
#endif