Messages in this thread | | | Date | Thu, 06 Dec 2012 14:51:43 +0100 | From | Zdenek Kabelac <> | Subject | Re: kswapd craziness in 3.7 |
| |
Dne 4.12.2012 10:05, Zdenek Kabelac napsal(a): > Dne 3.12.2012 20:18, Johannes Weiner napsal(a): >> Szia Zdenek, >> >> On Mon, Dec 03, 2012 at 04:23:15PM +0100, Zdenek Kabelac wrote: >>> Ok, bad news - I've been hit by kswapd0 loop again - >>> my kernel git commit cc19528bd3084c3c2d870b31a3578da8c69952f3 again >>> shown kswapd0 for couple minutes on CPU. >>> >>> It seemed to go instantly away when I've drop caches >>> (echo 3 >/proc/sys/vm/drop_cache) >>> (After that I've had over 1G free memory) >> >> Any chance you could retry with this patch on top? >> >> --- >> From: Johannes Weiner <hannes@cmpxchg.org> >> Subject: [patch] mm: vmscan: do not keep kswapd looping forever due >> to individual uncompactable zones >> >> --- >> mm/vmscan.c | 16 ---------------- >> 1 file changed, 16 deletions(-) >> >> diff --git a/mm/vmscan.c b/mm/vmscan.c > > > Ok, I'm running now b69f0859dc8e633c5d8c06845811588fe17e68b3 (-rc8) > with your patch. I'll be able to give some feedback after couple > days (if I keep my machine running without reboot - since before
So to just give some positive info -
with 2 1/2 day uptime, several suspend/resumes, ff at 1.4GB I still have just 29 seconds for kswapd0 process.
So the patch above might have helped - but I'll look for a few more days.
Zdenek
| |