| 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
| ||
|
Message-ID: <alpine.LNX.2.00.1210291100470.19184@pobox.suse.cz> Date: Mon, 29 Oct 2012 11:01:59 +0100 (CET) From: Jiri Kosina <jkosina@...e.cz> To: Borislav Petkov <bp@...en8.de> Cc: Andrew Morton <akpm@...ux-foundation.org>, "Rafael J. Wysocki" <rjw@...k.pl>, Dave Hansen <dave@...ux.vnet.ibm.com>, Michal Hocko <mhocko@...e.cz>, linux-mm@...ck.org, KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>, KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>, LKML <linux-kernel@...r.kernel.org> Subject: Re: [PATCH] add some drop_caches documentation and info messsge On Mon, 29 Oct 2012, Borislav Petkov wrote: > > You might or might not want to do that. Dropping caches around suspend > > makes the hibernation process itself faster, but the realtime response > > of the applications afterwards is worse, as everything touched by user > > has to be paged in again. > > Right, do you know of a real use-case where people hibernate, then > resume and still care about applications response time right afterwards? Well if the point of dropping caches is lowering the resume time, then the point is rendered moot as soon as you switch to your browser and have to wait noticeable amount of time until it starts reacting. -- Jiri Kosina SUSE Labs -- 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