lkml.org 
[lkml]   [2016]   [Oct]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] z3fold: remove the unnecessary limit in z3fold_compact_page
Date
From: zhong jiang <zhongjiang@huawei.com>

z3fold compact page has nothing with the last_chunks. even if
last_chunks is not free, compact page will proceed.

The patch just remove the limit without functional change.

Signed-off-by: zhong jiang <zhongjiang@huawei.com>
---
mm/z3fold.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/mm/z3fold.c b/mm/z3fold.c
index e8fc216..4668e1c 100644
--- a/mm/z3fold.c
+++ b/mm/z3fold.c
@@ -258,8 +258,7 @@ static int z3fold_compact_page(struct z3fold_header *zhdr)


if (!test_bit(MIDDLE_CHUNK_MAPPED, &page->private) &&
- zhdr->middle_chunks != 0 &&
- zhdr->first_chunks == 0 && zhdr->last_chunks == 0) {
+ zhdr->middle_chunks != 0 && zhdr->first_chunks == 0) {
memmove(beg + ZHDR_SIZE_ALIGNED,
beg + (zhdr->start_middle << CHUNK_SHIFT),
zhdr->middle_chunks << CHUNK_SHIFT);
--
1.8.3.1
\
 
 \ /
  Last update: 2016-10-14 15:39    [W:0.097 / U:1.092 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site