Techwizz/kernel-fxtec-pro1x
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

mm: ratelimit swap write errors

Browse source 
Ratelimit the swap write errors to avoid logbuf getting
filled up by these messages. These pages remove the useful
page allocation failure messages (when zram is used as swap)
from logbuf, thus making the debugging difficult.

Change-Id: I9d4229a76b2551d7baca603112d53012d8722415
Signed-off-by: Vinayak Menon <vinmenon@codeaurora.org>
Signed-off-by: Charan Teja Reddy <charante@codeaurora.org>
This commit is contained in:
Vinayak Menon 2018-03-23 11:25:43 +05:30 committed by Swathi Sridhar
parent 766b2618f8
commit f4f905e89f
1 changed files with 3 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
mm/page_io.c
View file

@ -63,8 +63,9 @@ void end_swap_bio_write(struct bio *bio)
* Also clear PG_reclaim to avoid rotate_reclaimable_page()
*/
set_page_dirty(page);
pr_alert("Write-error on swap-device (%u:%u:%llu)\n",
MAJOR(bio_dev(bio)), MINOR(bio_dev(bio)),
pr_alert_ratelimited("Write-error on swap-device (%u:%u:%llu)\n",
MAJOR(bio_dev(bio)),
MINOR(bio_dev(bio)),
(unsigned long long)bio->bi_iter.bi_sector);
ClearPageReclaim(page);
}