On Thu, 1 Nov 2007, Rik van Riel wrote:
>
> Larry Woodman managed to wedge the VM into a state where, on his
> 4x dual core system, only 2 cores (on the same CPU) could get the
> zone->lru_lock overnight. The other 6 cores on the system were
> just spinning, without being able to get the lock.
.. and this is almost always the result of a locking *bug*, not unfairness
per se. IOW, unfairness just ends up showing the bug in the first place.
Linus
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