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DateTue, 10 Oct 2006 23:18:02 -0700
FromAndrew Morton <>
Subject[patch 4/6] generic_file_buffered_write(): fix page prefaulting
From: Andrew Morton <akpm@osdl.org>

generic_file_buffered_write() is passing the wrong length arg to
fault_in_pages_readable() (I think - please check).


Signed-off-by: Andrew Morton <akpm@osdl.org>
---
 mm/filemap.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN mm/filemap.c~generic_file_buffered_write-fix-page-prefaulting mm/filemap.c
--- a/mm/filemap.c~generic_file_buffered_write-fix-page-prefaulting
+++ a/mm/filemap.c
@@ -2110,7 +2110,7 @@ generic_file_buffered_write(struct kiocb
 		 * same page as we're writing to, without it being marked
 		 * up-to-date.
 		 */
-		fault_in_pages_readable(buf, maxlen);
+		fault_in_pages_readable(buf, bytes);
 
 		page = __grab_cache_page(mapping,index,&cached_page,&lru_pvec);
 		if (!page) {
_
-
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