| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Date: Fri, 10 Feb 2012 20:36:42 +0800 From: Hillf Danton <dhillf@...il.com> To: Rik van Riel <riel@...hat.com> Cc: Johannes Stezenbach <js@...21.net>, Toralf Förster <toralf.foerster@....de>, linux-kernel@...r.kernel.org, linux-mm@...ck.org Subject: Re: swap storm since kernel 3.2.x On Thu, Feb 9, 2012 at 10:06 PM, Rik van Riel <riel@...hat.com> wrote: > On 02/09/2012 08:54 AM, Johannes Stezenbach wrote: >> >> On Thu, Feb 09, 2012 at 02:21:55PM +0100, Johannes Stezenbach wrote: >>> >>> it looks good. Neither do I get the huge debug_objects_cache >>> nor does it swap, after running a crosstool-ng toolchain build. >>> Well, last time I also had one kvm -m 1G instance running. I'll >>> try if that triggers the issue. So far: >> >> >> The kvm produced a bunch of page allocation failures >> on the host: > > >> (repeats a few times) >> >> I guess that is expected with your patch? > > > That is indeed why my patch series was significantly larger > than Hillf's little test patch :) > Yes, Johannes did show that kswapd running purely in single mode, without helps from compaction or lumpy, could not meet all requests in VM core. Thank you all Hillf -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists