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SubjectRe: [PATCH] mm: count only reclaimable lru pages
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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