From: Hillf Danton <dhillf@gmail.com>
To: Jiri Slaby <jslaby@suse.cz>
Cc: Daniel J Blueman <daniel@numascale-asia.com>,
Linux Kernel <linux-kernel@vger.kernel.org>,
Steffen Persvold <sp@numascale.com>
Subject: Re: kswapd craziness round 2
Date: Thu, 21 Feb 2013 20:07:03 +0800 [thread overview]
Message-ID: <CAJd=RBCiYof5rRVK+62OFMw+5F=5rS=qxRYF+OHpuRz895bn4w@mail.gmail.com> (raw)
In-Reply-To: <51254AD2.7000906@suse.cz>
On Thu, Feb 21, 2013 at 6:14 AM, Jiri Slaby <jslaby@suse.cz> wrote:
>>
>> Does Ingo's revert help? https://lkml.org/lkml/2013/2/15/168
>
> Not at all...
>
Then mind taking a try?
--- a/mm/vmscan.c Thu Feb 21 20:01:02 2013
+++ b/mm/vmscan.c Thu Feb 21 20:05:58 2013
@@ -1715,7 +1715,7 @@ static void get_scan_count(struct lruvec
* to swap. Better start now and leave the - probably heavily
* thrashing - remaining file pages alone.
*/
- if (global_reclaim(sc)) {
+ if (global_reclaim(sc) && sc->priority >= DEF_PRIORITY - 2) {
free = zone_page_state(zone, NR_FREE_PAGES);
if (unlikely(file + free <= high_wmark_pages(zone))) {
scan_balance = SCAN_ANON;
@@ -2840,9 +2840,10 @@ out:
* reclaim if they wish.
*/
if (sc.nr_reclaimed < SWAP_CLUSTER_MAX)
- order = sc.order = 0;
-
- goto loop_again;
+ if (order != 0) {
+ sc.order = order = 0;
+ goto loop_again;
+ }
}
/*
--
next prev parent reply other threads:[~2013-02-21 12:07 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-18 6:18 kswapd craziness round 2 Daniel J Blueman
2013-02-18 11:42 ` Hillf Danton
2013-02-18 15:05 ` Daniel J Blueman
2013-02-20 22:14 ` Jiri Slaby
2013-02-21 12:07 ` Hillf Danton [this message]
2013-02-24 21:27 ` Jiri Slaby
2013-02-28 17:02 ` Jiri Slaby
2013-03-01 14:02 ` Hillf Danton
2013-03-07 19:37 ` Jiri Slaby
2013-03-08 6:42 ` Hillf Danton
2013-03-08 6:42 ` Hillf Danton
2013-03-08 7:29 ` Zlatko Calusic
2013-03-08 7:29 ` Zlatko Calusic
2013-03-08 8:27 ` Hillf Danton
2013-03-08 8:27 ` Hillf Danton
2013-03-08 23:21 ` Jiri Slaby
2013-03-08 23:21 ` Jiri Slaby
2013-03-19 16:59 ` Pádraig Brady
2013-03-19 16:59 ` Pádraig Brady
2013-03-20 4:12 ` Hillf Danton
2013-03-20 4:12 ` Hillf Danton
2013-03-20 8:39 ` Jiri Slaby
2013-03-20 8:39 ` Jiri Slaby
-- strict thread matches above, loose matches on Subject: below --
2013-02-17 22:02 Jiri Slaby
2013-02-17 22:02 ` Jiri Slaby
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