diff options
Diffstat (limited to 'mm/hugetlb.c')
| -rw-r--r-- | mm/hugetlb.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 3a5aeb37c11..4c9e6bbf377 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -2,7 +2,6 @@ * Generic hugetlb support. * (C) William Irwin, April 2004 */ -#include <linux/gfp.h> #include <linux/list.h> #include <linux/init.h> #include <linux/module.h> @@ -18,6 +17,7 @@ #include <linux/mutex.h> #include <linux/bootmem.h> #include <linux/sysfs.h> +#include <linux/slab.h> #include <asm/page.h> #include <asm/pgtable.h> @@ -546,6 +546,7 @@ static void free_huge_page(struct page *page) mapping = (struct address_space *) page_private(page); set_page_private(page, 0); + page->mapping = NULL; BUG_ON(page_count(page)); INIT_LIST_HEAD(&page->lru); @@ -1038,7 +1039,7 @@ static struct page *alloc_huge_page(struct vm_area_struct *vma, page = alloc_buddy_huge_page(h, vma, addr); if (!page) { hugetlb_put_quota(inode->i_mapping, chg); - return ERR_PTR(-VM_FAULT_OOM); + return ERR_PTR(-VM_FAULT_SIGBUS); } } @@ -2447,8 +2448,10 @@ retry: spin_lock(&inode->i_lock); inode->i_blocks += blocks_per_huge_page(h); spin_unlock(&inode->i_lock); - } else + } else { lock_page(page); + page->mapping = HUGETLB_POISON; + } } /* |