diff options
Diffstat (limited to 'mm/hugetlb.c')
-rw-r--r-- | mm/hugetlb.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c index c86830931cc6..34a7e2375478 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c | |||
@@ -1123,10 +1123,10 @@ static struct page *alloc_huge_page(struct vm_area_struct *vma, | |||
1123 | */ | 1123 | */ |
1124 | chg = vma_needs_reservation(h, vma, addr); | 1124 | chg = vma_needs_reservation(h, vma, addr); |
1125 | if (chg < 0) | 1125 | if (chg < 0) |
1126 | return ERR_PTR(-VM_FAULT_OOM); | 1126 | return ERR_PTR(-ENOMEM); |
1127 | if (chg) | 1127 | if (chg) |
1128 | if (hugepage_subpool_get_pages(spool, chg)) | 1128 | if (hugepage_subpool_get_pages(spool, chg)) |
1129 | return ERR_PTR(-VM_FAULT_SIGBUS); | 1129 | return ERR_PTR(-ENOSPC); |
1130 | 1130 | ||
1131 | spin_lock(&hugetlb_lock); | 1131 | spin_lock(&hugetlb_lock); |
1132 | page = dequeue_huge_page_vma(h, vma, addr, avoid_reserve); | 1132 | page = dequeue_huge_page_vma(h, vma, addr, avoid_reserve); |
@@ -1136,7 +1136,7 @@ static struct page *alloc_huge_page(struct vm_area_struct *vma, | |||
1136 | page = alloc_buddy_huge_page(h, NUMA_NO_NODE); | 1136 | page = alloc_buddy_huge_page(h, NUMA_NO_NODE); |
1137 | if (!page) { | 1137 | if (!page) { |
1138 | hugepage_subpool_put_pages(spool, chg); | 1138 | hugepage_subpool_put_pages(spool, chg); |
1139 | return ERR_PTR(-VM_FAULT_SIGBUS); | 1139 | return ERR_PTR(-ENOSPC); |
1140 | } | 1140 | } |
1141 | } | 1141 | } |
1142 | 1142 | ||
@@ -2496,6 +2496,7 @@ retry_avoidcopy: | |||
2496 | new_page = alloc_huge_page(vma, address, outside_reserve); | 2496 | new_page = alloc_huge_page(vma, address, outside_reserve); |
2497 | 2497 | ||
2498 | if (IS_ERR(new_page)) { | 2498 | if (IS_ERR(new_page)) { |
2499 | long err = PTR_ERR(new_page); | ||
2499 | page_cache_release(old_page); | 2500 | page_cache_release(old_page); |
2500 | 2501 | ||
2501 | /* | 2502 | /* |
@@ -2524,7 +2525,10 @@ retry_avoidcopy: | |||
2524 | 2525 | ||
2525 | /* Caller expects lock to be held */ | 2526 | /* Caller expects lock to be held */ |
2526 | spin_lock(&mm->page_table_lock); | 2527 | spin_lock(&mm->page_table_lock); |
2527 | return -PTR_ERR(new_page); | 2528 | if (err == -ENOMEM) |
2529 | return VM_FAULT_OOM; | ||
2530 | else | ||
2531 | return VM_FAULT_SIGBUS; | ||
2528 | } | 2532 | } |
2529 | 2533 | ||
2530 | /* | 2534 | /* |
@@ -2642,7 +2646,11 @@ retry: | |||
2642 | goto out; | 2646 | goto out; |
2643 | page = alloc_huge_page(vma, address, 0); | 2647 | page = alloc_huge_page(vma, address, 0); |
2644 | if (IS_ERR(page)) { | 2648 | if (IS_ERR(page)) { |
2645 | ret = -PTR_ERR(page); | 2649 | ret = PTR_ERR(page); |
2650 | if (ret == -ENOMEM) | ||
2651 | ret = VM_FAULT_OOM; | ||
2652 | else | ||
2653 | ret = VM_FAULT_SIGBUS; | ||
2646 | goto out; | 2654 | goto out; |
2647 | } | 2655 | } |
2648 | clear_huge_page(page, address, pages_per_huge_page(h)); | 2656 | clear_huge_page(page, address, pages_per_huge_page(h)); |