From mboxrd@z Thu Jan 1 00:00:00 1970 From: bill4carson@gmail.com (bill4carson) Date: Mon, 12 Dec 2011 09:36:05 +0800 Subject: Query about Enhanced Out-Of-Memory handling In-Reply-To: References: <4EDC3975.8090300@gmail.com> Message-ID: <4EE55A85.2040203@gmail.com> To: kernelnewbies@lists.kernelnewbies.org List-Id: kernelnewbies.lists.kernelnewbies.org On 2011?12?11? 14:38, Peter Teoh wrote: > > On Mon, Dec 5, 2011 at 11:24 AM, bill4carson > wrote: > > Hi, all > > Since there is a practical needs for user application with the ability > to sense kernel memory use pressure, > http://elinux.org/Memory_Management gives some approach on this as > below: > > OOM notification in cgroups > mem_notify patches > Google cgroup OOM handler > Nokia OOM enhancements > > > OOM by itself is for non-critical server, or hand-held devices where > physical memory is severely constrained. For server running database, > or any high end server, it is disastrous to have it turned on. Judge > for yourself the criticality of your applications and turn it on/off > if needs to: > > http://serverfault.com/questions/141988/avoid-linux-out-of-memory-application-teardown > http://www.cyberciti.biz/tips/linux-oom-killer-out-of-memory-and-nfs-server-optimization.html > > http://lwn.net/Articles/49531/ > http://lwn.net/Articles/317814/ > http://lwn.net/Articles/391222/ > > For the latest development, read this: > > https://www.redhat.com/archives/linux-audit/2011-May/msg00000.html > > and the Documentation/feature-removal-schedule.txt and > Documentation/cgroups/memory.txt > has some development on OOM as well > > > AFAIK, it seems none of these have been merged into mainline or > updated > continuously, > I'm not so familiar with mm system, so may I ask which known > approach is > best to work with mainline kernel now? > > Very informative, thanks :) > > -- > I am a slow learner > but I will keep trying to fight for my dreams! > > --bill > > > _______________________________________________ > Kernelnewbies mailing list > Kernelnewbies at kernelnewbies.org > > http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies > > > > > -- > Regards, > Peter Teoh -- I am a slow learner but I will keep trying to fight for my dreams! --bill