Re: Limit hash table size

[Andrew Morton]

Nick Piggin <piggin@xxxxxxxxxxxxxxx> wrote:
>
> >Was it a highmem box?  If so, was the filesystem in question placing
>  >directory pagecache in highmem?  If so, that was really bad on older 2.4:
>  >the directory pagecache in highmem pins down all directory inodes.
>  >
>  >
> 
>  2.6.2-mm1 should fix this I think.

2.6.anything should fix it.  It used to, anyway.

>  In particular, this hunk in vm-shrink-zone.patch

That's on the direct reclaim path - for sane workloads most of the freeing
activity is via kswapd.

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