On Fri, 12 Jul 2002, Zou Min wrote: > On Thu, Jul 11, 2002 at 11:01:55PM -0300, Rik van Riel wrote: > > I've tried this once (in the 2.1 days) and system performance was > > _very_ bad with half of RAM free and one RSS-limited program using > > all disk bandwidth for swapping. > > In fact, I am just doing a little experiment, which requires to strictly > limit the RSS of certain process. Here, I don't care about the whole > system performance at all. > > Could you send me the patch which does force the RSS limit even when there > is enough memory available, because I am not sure how low memory I should > set in order to let system enforce the RSS limit? I no longer have that patch, it must have been 3 or 4 years ago that I tried this approach. Basically what the thing did was call swap_out_mm() from handle_mm_fault() whenever the process was over its RSS limit. regards, Rik -- Bravely reimplemented by the knights who say "NIH". http://www.surriel.com/ http://distro.conectiva.com/ -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
