Messages in this thread | | | Date | Thu, 16 Jul 2009 12:24:52 -0400 | From | Rik van Riel <> | Subject | Re: [PATCH] mm: count only reclaimable lru pages |
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David Howells wrote: > Wu Fengguang <fengguang.wu@intel.com> wrote: > >> It can greatly (and correctly) increase the slab scan rate under high memory >> pressure (when most file pages have been reclaimed and swap is full/absent), >> thus avoid possible false OOM kills. > > I applied this to my test machine's kernel and rebooted. It hit the OOM > killer a few seconds after starting msgctl11 . Furthermore, it was not then > responsive to SysRq+b or anything else and had to have the magic button > pushed.
It's part of a series of patches, including the three posted by Kosaki-san last night (to track the number of isolated pages) and the patch I posted last night (to throttle reclaim when too many pages are isolated).
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