X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;ds=sidebyside;f=mm%2Fhugetlb.c;h=508707704d2cb714968a779e128084d640afc439;hb=46e202ec1feeac3cb722cd3410d62a9a00891388;hp=b21d78c941b527b9c8021d23a6d63bf3dd892523;hpb=37ef4399a6bb265d3035e6d6e45f7677b132a3ba;p=powerpc.git

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index b21d78c941..508707704d 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -85,7 +85,7 @@ void free_huge_page(struct page *page)
 	BUG_ON(page_count(page));
 
 	INIT_LIST_HEAD(&page->lru);
-	page[1].mapping = NULL;
+	page[1].lru.next = NULL;			/* reset dtor */
 
 	spin_lock(&hugetlb_lock);
 	enqueue_huge_page(page);
@@ -105,9 +105,9 @@ struct page *alloc_huge_page(struct vm_area_struct *vma, unsigned long addr)
 	}
 	spin_unlock(&hugetlb_lock);
 	set_page_count(page, 1);
-	page[1].mapping = (void *)free_huge_page;
+	page[1].lru.next = (void *)free_huge_page;	/* set dtor */
 	for (i = 0; i < (HPAGE_SIZE/PAGE_SIZE); ++i)
-		clear_highpage(&page[i]);
+		clear_user_highpage(&page[i], addr);
 	return page;
 }
 
@@ -391,12 +391,7 @@ static int hugetlb_cow(struct mm_struct *mm, struct vm_area_struct *vma,
 
 	if (!new_page) {
 		page_cache_release(old_page);
-
-		/* Logically this is OOM, not a SIGBUS, but an OOM
-		 * could cause the kernel to go killing other
-		 * processes which won't help the hugepage situation
-		 * at all (?) */
-		return VM_FAULT_SIGBUS;
+		return VM_FAULT_OOM;
 	}
 
 	spin_unlock(&mm->page_table_lock);
@@ -444,6 +439,7 @@ retry:
 		page = alloc_huge_page(vma, address);
 		if (!page) {
 			hugetlb_put_quota(mapping);
+			ret = VM_FAULT_OOM;
 			goto out;
 		}