diff options
Diffstat (limited to 'include/asm-ia64/pgtable.h')
| -rw-r--r-- | include/asm-ia64/pgtable.h | 25 |
1 files changed, 16 insertions, 9 deletions
diff --git a/include/asm-ia64/pgtable.h b/include/asm-ia64/pgtable.h index 670b706411b8..6580f31b3135 100644 --- a/include/asm-ia64/pgtable.h +++ b/include/asm-ia64/pgtable.h | |||
| @@ -533,16 +533,23 @@ extern void lazy_mmu_prot_update (pte_t pte); | |||
| 533 | * daccess_bit in ivt.S). | 533 | * daccess_bit in ivt.S). |
| 534 | */ | 534 | */ |
| 535 | #ifdef CONFIG_SMP | 535 | #ifdef CONFIG_SMP |
| 536 | # define ptep_set_access_flags(__vma, __addr, __ptep, __entry, __safely_writable) \ | 536 | # define ptep_set_access_flags(__vma, __addr, __ptep, __entry, __safely_writable) \ |
| 537 | do { \ | 537 | ({ \ |
| 538 | if (__safely_writable) { \ | 538 | int __changed = !pte_same(*(__ptep), __entry); \ |
| 539 | set_pte(__ptep, __entry); \ | 539 | if (__changed && __safely_writable) { \ |
| 540 | flush_tlb_page(__vma, __addr); \ | 540 | set_pte(__ptep, __entry); \ |
| 541 | } \ | 541 | flush_tlb_page(__vma, __addr); \ |
| 542 | } while (0) | 542 | } \ |
| 543 | __changed; \ | ||
| 544 | }) | ||
| 543 | #else | 545 | #else |
| 544 | # define ptep_set_access_flags(__vma, __addr, __ptep, __entry, __safely_writable) \ | 546 | # define ptep_set_access_flags(__vma, __addr, __ptep, __entry, __safely_writable) \ |
| 545 | ptep_establish(__vma, __addr, __ptep, __entry) | 547 | ({ \ |
| 548 | int __changed = !pte_same(*(__ptep), __entry); \ | ||
| 549 | if (__changed) \ | ||
| 550 | ptep_establish(__vma, __addr, __ptep, __entry); \ | ||
| 551 | __changed; \ | ||
| 552 | }) | ||
| 546 | #endif | 553 | #endif |
| 547 | 554 | ||
| 548 | # ifdef CONFIG_VIRTUAL_MEM_MAP | 555 | # ifdef CONFIG_VIRTUAL_MEM_MAP |