From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <380EA6C1.DA32BC3A@263.net> Date: Thu, 21 Oct 1999 13:38:09 +0800 From: Wang Yong Reply-To: wung_y@263.net MIME-Version: 1.0 Subject: Re: Paging out sleepy processes? References: <380D7C24.AA10E463@mandrakesoft.com> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Jeff Garzik Cc: mail list linux-mm mail list List-ID: why do u want to force it out. in my opinion, mm need to swap some process out when the amount of physical memory is under some limit. MM will force it out if MM choose this process to swap out.if MM not choose it, that's to say free memory is enough or some other processes should be swapped out. Jeff Garzik wrote: > I have a simple app that I run locally that allocates and randomly > dirties a lot of memory all at once, with the intention of forcing Linux > to swap out processes. > > How possible/reasonable would it be to add a feature which will swap out > processes that have been asleep for a long time? > > IMHO this behavior would default to off, but can be enabled by > specifying the age at which the system should attempt to swap out > processes: > > # tell kernel to swap out processes which have been asleep > # longer than N seconds > echo 7200 > /proc/sys/vm/min_sleepy_swap > > Is there a way to do this already? > > Regards, > > Jeff > -- > To unsubscribe, send a message with 'unsubscribe linux-mm' in > the body to majordomo@kvack.org. For more info on Linux MM, > see: http://humbolt.geo.uu.nl/Linux-MM/ -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://humbolt.geo.uu.nl/Linux-MM/