Mel Gorman wrote:
On (02/10/07 14:15), Ingo Molnar didst pronounce:
* Mel Gorman <[email protected]> wrote:
Dirt. Booting with "profile=sleep,2" is broken in 2.6.23-rc9 and
2.6.23-rc8 but working in 2.6.22. I was checking it out as part of a
discussion in another thread and noticed it broken in -mm as well
(2.6.23-rc8-mm2). Bisect is in progress but suggestions as to the
prime candidates are welcome or preferably, pointing out that I'm an
idiot because I missed twiddling some config change.
Mel, does the patch below fix this bug for you? (Note: you will need to
enable CONFIG_SCHEDSTATS=y too.)
Nice one Ingo - got it first try. The problem commit was
dd41f596cda0d7d6e4a8b139ffdfabcefdd46528 and it's clear that the code removed
in this commit is put back by this latest patch. When applied, profile=sleep
works as long as CONFIG_SCHEDSTAT is set.
And if it isn't set? I can easily see building a new kernel with stats
off and forgetting to change the boot options.
--
Bill Davidsen <[email protected]>
"We have more to fear from the bungling of the incompetent than from
the machinations of the wicked." - from Slashdot
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