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authorOGAWA Hirofumi <hirofumi@mail.parknet.co.jp>2006-11-03 09:07:06 +0300
committerLinus Torvalds <torvalds@g5.osdl.org>2006-11-03 23:27:56 +0300
commit029e332ea717810172e965ec50f942755ad0c58a (patch)
treedcffd8c8ad3229a3af603a4e59e43c05793c1617 /mm/readahead.c
parent5d861d920a86523bbeb56c19b9906c3fb1b58048 (diff)
downloadlinux-029e332ea717810172e965ec50f942755ad0c58a.tar.xz
[PATCH] Cleanup read_pages()
Current read_pages() assume ->readpages() frees the passed pages. This patch free the pages in ->read_pages(), if those were remaining in the pages_list. So, readpages() just can ignore the remaining pages in pages_list. Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Cc: Steven French <sfrench@us.ibm.com> Cc: Miklos Szeredi <miklos@szeredi.hu> Cc: Steven Whitehouse <swhiteho@redhat.com> Cc: Trond Myklebust <trond.myklebust@fys.uio.no> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'mm/readahead.c')
-rw-r--r--mm/readahead.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/mm/readahead.c b/mm/readahead.c
index 1ba736ac0367..23cb61a01c6e 100644
--- a/mm/readahead.c
+++ b/mm/readahead.c
@@ -173,6 +173,8 @@ static int read_pages(struct address_space *mapping, struct file *filp,
if (mapping->a_ops->readpages) {
ret = mapping->a_ops->readpages(filp, mapping, pages, nr_pages);
+ /* Clean up the remaining pages */
+ put_pages_list(pages);
goto out;
}