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    SubjectRe: [PATCH] proc: remove /proc/*/status "Stack usage:"
    On Sun, Nov 01, 2009 at 03:39:57PM +0100, Stefani Seibold wrote:
    > Am Sonntag, den 01.11.2009, 16:15 +0300 schrieb Alexey Dobriyan:
    > > We have /proc/*/pagemap to determine how much stack was consumed.
    > > Leave "threadstack" though.
    > >
    > > Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
    > > ---
    > >
    >
    > Stop! /proc/*/pagemap is not a real substitute for the stackm usage
    > patch. If you have problems with this patch i will have a look on it.

    Why?

    You grab thread stack start from /proc/*/stat, then for every page of
    stack VMA, you lookup state of page, which is exactly what you're doing
    by employing page walker.


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