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    SubjectRe: [PATCH] profile: Suppress warning about large allocations when profile=1 is specified
    On Sat, Jun 20, 2009 at 12:09:32PM +0200, Heinz Diehl wrote:
    > On 17.06.2009, Mel Gorman wrote:
    >
    > > Patch as follows
    > [....]
    >
    > With 2.6.30-git14, I get this early in the boot process.
    > Don't know if it's related to this thread. In any case, your patch does not fix it:
    >

    It's sortof related in that it's another source of NOFAIL high-order
    allocations.

    > [....]
    > WARNING: at mm/page_alloc.c:1744 level2_spare_pgt+0x8f70a/0x36c800()
    > Hardware name:
    > Modules linked in:
    > Pid: 1, comm: swapper Not tainted 2.6.30-git14 #1

    I can't figure out from this trace where the problem is coming from. Can
    you post your .config and the full dmesg please?

    > Call Trace:
    > [<ffffffff8109770a>] ? level2_spare_pgt+0x8f70a/0x36c800
    > [<ffffffff8109770a>] ? level2_spare_pgt+0x8f70a/0x36c800
    > [<ffffffff81044a19>] ? level2_spare_pgt+0x3ca19/0x36c800
    > [<ffffffff8109770a>] ? level2_spare_pgt+0x8f70a/0x36c800
    > [<ffffffff810463f2>] ? level2_spare_pgt+0x3e3f2/0x36c800
    > [<ffffffff810bf8bb>] ? level2_spare_pgt+0xb78bb/0x36c800
    > [<ffffffff81096829>] ? level2_spare_pgt+0x8e829/0x36c800
    > [<ffffffff815281a2>] ? __smp_locks_end+0x33a4a/0x35773
    > [<ffffffff815280b0>] ? __smp_locks_end+0x33958/0x35773
    > [<ffffffff8100904b>] ? level2_spare_pgt+0x104b/0x36c800
    > [<ffffffff81119808>] ? level2_spare_pgt+0x111808/0x36c800
    > [<ffffffff81084df1>] ? level2_spare_pgt+0x7cdf1/0x36c800
    > [<ffffffff814f5665>] ? __smp_locks_end+0xf0d/0x35773
    > [<ffffffff8100ce0a>] ? level2_spare_pgt+0x4e0a/0x36c800
    > [<ffffffff814f54e9>] ? __smp_locks_end+0xd91/0x35773
    > [<ffffffff8100ce00>] ? level2_spare_pgt+0x4e00/0x36c800
    > ---[ end trace 692ffa03e0502250 ]---
    > CCID: Activated CCID 2 (TCP-like)
    > registered taskstats version 1
    > Freeing unused kernel memory: 572k freed
    > [....]
    >
    > Regards,
    > Heinz.
    >

    --
    Mel Gorman
    Part-time Phd Student Linux Technology Center
    University of Limerick IBM Dublin Software Lab


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