[PATCH] hugetlb: fix error return for brk() entering a hugepage region

[pandora-kernel.git] / mm / hugetlb.c

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 2dbec90..a088f59 100644 (file)
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -478,6 +478,9 @@ int hugetlb_no_page(struct mm_struct *mm, struct vm_area_struct *vma,
 retry:
        page = find_lock_page(mapping, idx);
        if (!page) {
+               size = i_size_read(mapping->host) >> HPAGE_SHIFT;
+               if (idx >= size)
+                       goto out;
                if (hugetlb_get_quota(mapping))
                        goto out;
                page = alloc_huge_page(vma, address);