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    SubjectRe: [PATCH -mm] Taskstats fix the structure members alignment issue
    Andrew Morton wrote:
    > On Sat, 21 Apr 2007 18:29:21 +0530 Balbir Singh <> wrote:
    >>>> The patch adds an __attribute__((aligned(8))) to the
    >>>> taskstats structure members so that 32 bit applications using taskstats
    >>>> can work with a 64 bit kernel.
    >>> But there might be 32-bit applications out there which are using the
    >>> present wrong structure?
    >>> otoh, I assume that those applications would be using taskstats.h and would
    >>> hence encounter this bug and we would have heard about it, is that correct?
    >> Yes, correct.
    >>> otoh^2, 32-bit applications running under 32-bit kernels will presently be
    >>> functioning correctly, and your change will require that those applications
    >>> be recompiled, I think?
    >> Yes, correct. They would be broken with this fix. We could bump up the
    >> version TASKSTATS_VERSION to 4. Would you like a new patch the version
    >> bumped up?
    > I can do that.


    >>> This patch looks like 2.6.20 and 2.6.21 material, but very carefully...
    >> Yes, 2.6.20 and 2.6.21 sound correct.
    > OK. I guess we have little choice but to slam it in asap, with a 2.6.20.x backport
    > before too many people start using the old interface.

    Thanks, again!

    Balbir Singh
    Linux Technology Center
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