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    SubjectRe: [PATCH] mm: sync rss-counters at the end of exit_mm()
    KAMEZAWA Hiroyuki wrote:
    > (2012/04/10 5:03), Konstantin Khlebnikov wrote:
    >> On task's exit do_exit() calls sync_mm_rss() but this is not enough,
    >> there can be page-faults after this point, for example exit_mm() ->
    >> mm_release() -> put_user() (for processing tsk->clear_child_tid).
    >> Thus there may be some rss-counters delta in current->rss_stat.

    I had to mention it in comment:

    This should fix warnings:
    BUG: Bad rss-counter state mm:ffff88020813c380 idx:1 val:-1
    BUG: Bad rss-counter state mm:ffff88020813c380 idx:2 val:1

    >> Signed-off-by: Konstantin Khlebnikov<>
    >> Reported-by: Markus Trippelsdorf<>
    >> Cc: Hugh Dickins<>
    >> Cc: KAMEZAWA Hiroyuki<>
    > Reviewed-by: KAMEZAWA Hiroyuki<>
    > Does this fix recent issue reported ?

    I hope so.

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      Last update: 2012-04-10 07:47    [W:0.023 / U:21.656 seconds]
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