Messages in this thread Patch in this message | | | Date | Fri, 1 Mar 2013 22:02:28 +0800 | Subject | Re: kswapd craziness round 2 | From | Hillf Danton <> |
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On Fri, Mar 1, 2013 at 1:02 AM, Jiri Slaby <jslaby@suse.cz> wrote: > > Ok, no difference, kswap is still crazy. I'm attaching the output of > "grep -vw '0' /proc/vmstat" if you see something there. > Thanks to you for test and data.
Lets try to restore the deleted nap, then.
Hillf --- a/mm/vmscan.c Thu Feb 21 20:01:02 2013 +++ b/mm/vmscan.c Fri Mar 1 21:55:40 2013 @@ -2817,6 +2817,10 @@ loop_again: */ if (sc.nr_reclaimed >= SWAP_CLUSTER_MAX) break; + + if (sc.priority < DEF_PRIORITY - 2) + congestion_wait(BLK_RW_ASYNC, HZ/10); + } while (--sc.priority >= 0);
out: --
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