Merge branch 'for-next' into for-linus

[linux-2.6-microblaze.git] / fs / hugetlbfs / inode.c

diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index a2a4233..30dee68 100644 (file)
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -131,6 +131,7 @@ static void huge_pagevec_release(struct pagevec *pvec)
 static int hugetlbfs_file_mmap(struct file *file, struct vm_area_struct *vma)
 {
        struct inode *inode = file_inode(file);
+       struct hugetlbfs_inode_info *info = HUGETLBFS_I(inode);
        loff_t len, vma_len;
        int ret;
        struct hstate *h = hstate_file(file);
@@ -146,6 +147,10 @@ static int hugetlbfs_file_mmap(struct file *file, struct vm_area_struct *vma)
        vma->vm_flags |= VM_HUGETLB | VM_DONTEXPAND;
        vma->vm_ops = &hugetlb_vm_ops;
 
+       ret = seal_check_future_write(info->seals, vma);
+       if (ret)
+               return ret;
+
        /*
         * page based offset in vm_pgoff could be sufficiently large to
         * overflow a loff_t when converted to byte offset.  This can
@@ -524,7 +529,7 @@ static void remove_inode_hugepages(struct inode *inode, loff_t lstart,
                         * the subpool and global reserve usage count can need
                         * to be adjusted.
                         */
-                       VM_BUG_ON(PagePrivate(page));
+                       VM_BUG_ON(HPageRestoreReserve(page));
                        remove_huge_page(page);
                        freed++;
                        if (!truncate_op) {
@@ -730,6 +735,7 @@ static long hugetlbfs_fallocate(struct file *file, int mode, loff_t offset,
                __SetPageUptodate(page);
                error = huge_add_to_page_cache(page, mapping, index);
                if (unlikely(error)) {
+                       restore_reserve_on_error(h, &pseudo_vma, addr, page);
                        put_page(page);
                        mutex_unlock(&hugetlb_fault_mutex_table[hash]);
                        goto out;