X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=mm%2Fshmem.c;h=58da7c150ba6d7b4132f423663ff920345038d7c;hb=abfe903980161b11f3594e3dcbab8b5c5a67168b;hp=048a95a5244d4eb5522c7aa17fa94ca625f660f5;hpb=53a94c7d55dceb73aab2876afce4c563bc9111fe;p=~andy%2Flinux

diff --git a/mm/shmem.c b/mm/shmem.c
index 048a95a5244..58da7c150ba 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -224,7 +224,6 @@ static const struct vm_operations_struct shmem_vm_ops;
 static struct backing_dev_info shmem_backing_dev_info  __read_mostly = {
 	.ra_pages	= 0,	/* No readahead */
 	.capabilities	= BDI_CAP_NO_ACCT_AND_WRITEBACK | BDI_CAP_SWAP_BACKED,
-	.unplug_io_fn	= default_unplug_io_fn,
 };
 
 static LIST_HEAD(shmem_swaplist);
@@ -1081,7 +1080,7 @@ static int shmem_writepage(struct page *page, struct writeback_control *wbc)
 	shmem_recalc_inode(inode);
 
 	if (swap.val && add_to_swap_cache(page, swap, GFP_ATOMIC) == 0) {
-		remove_from_page_cache(page);
+		delete_from_page_cache(page);
 		shmem_swp_set(info, entry, swap.val);
 		shmem_swp_unmap(entry);
 		if (list_empty(&info->swaplist))
@@ -1091,7 +1090,6 @@ static int shmem_writepage(struct page *page, struct writeback_control *wbc)
 		spin_unlock(&info->lock);
 		swap_shmem_alloc(swap);
 		BUG_ON(page_mapped(page));
-		page_cache_release(page);	/* pagecache ref */
 		swap_writepage(page, wbc);
 		if (inode) {
 			mutex_lock(&shmem_swaplist_mutex);
@@ -2794,5 +2792,6 @@ int shmem_zero_setup(struct vm_area_struct *vma)
 		fput(vma->vm_file);
 	vma->vm_file = file;
 	vma->vm_ops = &shmem_vm_ops;
+	vma->vm_flags |= VM_CAN_NONLINEAR;
 	return 0;
 }