From: Andrew Morton <[email protected]>
generic_file_buffered_write() is passing the wrong length arg to
fault_in_pages_readable() (I think - please check).
Signed-off-by: Andrew Morton <[email protected]>
---
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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