Messages in this thread | | | Date | Wed, 26 Sep 2001 00:01:02 +0200 | From | Andrea Arcangeli <> | Subject | Re: Locking comment on shrink_caches() |
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On Tue, Sep 25, 2001 at 01:15:28PM -0700, David S. Miller wrote: > I do think it's silly to hold the pagecache_lock during pure scanning > activities of shrink_caches().
Indeed again.
> It is known that pagecache_lock is the biggest scalability issue on > large SMP systems, and thus the page cache locking patches Ingo and > myself did.
yes.
IMHO if we would hold the pagecache lock all the time while shrinking the cache, then we could kill the lru lock in first place.
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