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    SubjectRe: [PATCH] oom killer (Core)
    On Fri, Dec 03, 2004 at 03:28:54AM +0100, Andrea Arcangeli wrote:
    > Ok, I expect this patch to fix the problem completely. The biggest
    > difference is that it doesn't affect the exit fast path and it doesn't need
    > notification. It's not even slower than your patch since you were
    > really polling too. This schedule properly, if you get any PREEMPT=n
    > problem I'd really like to know. This is on top of my previous patch so
    > it does the checks for the watermarks correctly (those are not obsoleted
    > by whatever thing we do in out_of_memory()). This still make use of the
    > PF_MEMDIE info but not in kernel/, only in mm/oom_kill.c where it born
    > and dies there, so the race is somewhat hidden in there. As you said
    > converting PF_MEMDIE to a set_tsk_thread_flag or some other non-racy
    > thing is a due change but I'm not doing it in the below patch.

    I see some real bugfixes in here. I'll start up a fresh thread with some
    of those broken out and cc: the relevant people shortly. It's not really
    any "new material", just reorganizing things into smaller patches, in
    particular the ones I see needing merging ASAP that aren't controversial.


    -- wli
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