| memory.c (22b31eec63e5f2e219a3ee15f456897272bc73e8) | memory.c (2509ef26db4699a5d9fa876e90ddfc107afcab84) |
|---|---|
| 1/* 2 * linux/mm/memory.c 3 * 4 * Copyright (C) 1991, 1992, 1993, 1994 Linus Torvalds 5 */ 6 7/* 8 * demand-loading started 01.12.91 - seems it is high on the list of --- 796 unchanged lines hidden (view full) --- 805 continue; 806 } 807 /* 808 * If details->check_mapping, we leave swap entries; 809 * if details->nonlinear_vma, we leave file entries. 810 */ 811 if (unlikely(details)) 812 continue; | 1/* 2 * linux/mm/memory.c 3 * 4 * Copyright (C) 1991, 1992, 1993, 1994 Linus Torvalds 5 */ 6 7/* 8 * demand-loading started 01.12.91 - seems it is high on the list of --- 796 unchanged lines hidden (view full) --- 805 continue; 806 } 807 /* 808 * If details->check_mapping, we leave swap entries; 809 * if details->nonlinear_vma, we leave file entries. 810 */ 811 if (unlikely(details)) 812 continue; |
| 813 if (!pte_file(ptent)) 814 free_swap_and_cache(pte_to_swp_entry(ptent)); | 813 if (pte_file(ptent)) { 814 if (unlikely(!(vma->vm_flags & VM_NONLINEAR))) 815 print_bad_pte(vma, addr, ptent, NULL); 816 } else if 817 (unlikely(!free_swap_and_cache(pte_to_swp_entry(ptent)))) 818 print_bad_pte(vma, addr, ptent, NULL); |
| 815 pte_clear_not_present_full(mm, addr, pte, tlb->fullmm); 816 } while (pte++, addr += PAGE_SIZE, (addr != end && *zap_work > 0)); 817 818 add_mm_rss(mm, file_rss, anon_rss); 819 arch_leave_lazy_mmu_mode(); 820 pte_unmap_unlock(pte - 1, ptl); 821 822 return addr; --- 1879 unchanged lines hidden (view full) --- 2702{ 2703 unsigned int flags = FAULT_FLAG_NONLINEAR | 2704 (write_access ? FAULT_FLAG_WRITE : 0); 2705 pgoff_t pgoff; 2706 2707 if (!pte_unmap_same(mm, pmd, page_table, orig_pte)) 2708 return 0; 2709 | 819 pte_clear_not_present_full(mm, addr, pte, tlb->fullmm); 820 } while (pte++, addr += PAGE_SIZE, (addr != end && *zap_work > 0)); 821 822 add_mm_rss(mm, file_rss, anon_rss); 823 arch_leave_lazy_mmu_mode(); 824 pte_unmap_unlock(pte - 1, ptl); 825 826 return addr; --- 1879 unchanged lines hidden (view full) --- 2706{ 2707 unsigned int flags = FAULT_FLAG_NONLINEAR | 2708 (write_access ? FAULT_FLAG_WRITE : 0); 2709 pgoff_t pgoff; 2710 2711 if (!pte_unmap_same(mm, pmd, page_table, orig_pte)) 2712 return 0; 2713 |
| 2710 if (unlikely(!(vma->vm_flags & VM_NONLINEAR) || 2711 !(vma->vm_flags & VM_CAN_NONLINEAR))) { | 2714 if (unlikely(!(vma->vm_flags & VM_NONLINEAR))) { |
| 2712 /* 2713 * Page table corrupted: show pte and kill process. 2714 */ 2715 print_bad_pte(vma, address, orig_pte, NULL); 2716 return VM_FAULT_OOM; 2717 } 2718 2719 pgoff = pte_to_pgoff(orig_pte); --- 414 unchanged lines hidden --- | 2715 /* 2716 * Page table corrupted: show pte and kill process. 2717 */ 2718 print_bad_pte(vma, address, orig_pte, NULL); 2719 return VM_FAULT_OOM; 2720 } 2721 2722 pgoff = pte_to_pgoff(orig_pte); --- 414 unchanged lines hidden --- |