# \[PATCH\]\[v2\] ext4: delete a no useful sentence

- From: Haibo \<hidden\>
- Date: 2012-06-21 18:31:15 
- List: linux-ext4
- Page: https://ratatoskr.run/linux-ext4/2012/06/13415347
- Thread: https://ratatoskr.run/linux-ext4/2012/06/13415347/t.md

```text
From: Haibo Liu <redacted>

In this patch, the sentence "poff = block % blocks_per_page"
in ext4_mb_get_buddy_page_lock has no effect.
So we should delete it to save cpu.

v1->v2: update the patch subject and the patch comment.

Signed-off-by: Haibo Liu <redacted>
---
 fs/ext4/mballoc.c |    1 -
 1 file changed, 1 deletion(-)

diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index cb990b2..7223bd4 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -1016,7 +1016,6 @@ static int ext4_mb_get_buddy_page_lock(struct super_block *sb,
 
 	block++;
 	pnum = block / blocks_per_page;
-	poff = block % blocks_per_page;
 	page = find_or_create_page(inode->i_mapping, pnum, GFP_NOFS);
 	if (!page)
 		return -EIO;
-- 
1.7.9.5

```