On Sat, 2003-07-19 at 04:45, Andrew Morton wrote:
> Oh, we shouldn't be doing this sort of thing when the kernel threads are
> refrigerated. We do need kswapd services for the trick you tried.
>
> And all flavours of ext3_writepage() can block on kjournald activity, so if
> kjournald is refrigerated during the memory shrink the machine can deadlock.
>
> It would be much better to freeze kernel threads _after_ doing the big
> memory shrink.
Yes, that's what the 2.4 version does. And it freezes the kernel threads
in a particular order to avoid deadlocking.
Regards,
Nigel
-- Nigel Cunningham 495 St Georges Road South, Hastings 4201, New ZealandYou see, at just the right time, when we were still powerless, Christ died for the ungodly. -- Romans 5:6, NIV.
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