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-rw-r--r--mm/hugetlb.c17
1 files changed, 2 insertions, 15 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 3255ca420fc8..67f29516662a 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -391,12 +391,7 @@ static int hugetlb_cow(struct mm_struct *mm, struct vm_area_struct *vma,
391 391
392 if (!new_page) { 392 if (!new_page) {
393 page_cache_release(old_page); 393 page_cache_release(old_page);
394 394 return VM_FAULT_OOM;
395 /* Logically this is OOM, not a SIGBUS, but an OOM
396 * could cause the kernel to go killing other
397 * processes which won't help the hugepage situation
398 * at all (?) */
399 return VM_FAULT_SIGBUS;
400 } 395 }
401 396
402 spin_unlock(&mm->page_table_lock); 397 spin_unlock(&mm->page_table_lock);
@@ -444,15 +439,7 @@ retry:
444 page = alloc_huge_page(vma, address); 439 page = alloc_huge_page(vma, address);
445 if (!page) { 440 if (!page) {
446 hugetlb_put_quota(mapping); 441 hugetlb_put_quota(mapping);
447 /* 442 ret = VM_FAULT_OOM;
448 * No huge pages available. So this is an OOM
449 * condition but we do not want to trigger the OOM
450 * killer, so we return VM_FAULT_SIGBUS.
451 *
452 * A program using hugepages may fault with Bus Error
453 * because no huge pages are available in the cpuset, per
454 * memory policy or because all are in use!
455 */
456 goto out; 443 goto out;
457 } 444 }
458 445