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On 04/26/04 23:02:37, Andrew Morton wrote: > Nick Piggin <nickpiggin@yahoo.com.au> wrote: > > > > Andrew Morton wrote: > > > > > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.6-rc2/2.6.6-rc2-mm2/broken-out/slab-order-0-for-vfs-caches.patch > > > > > > is not a completely happy solution, but it should fix things up. > > > > Another thing you could be doing is not zeroing swapper->nr > > if the shrinker function doesn't do anything, in order to try > > to maintain pressure on the dcache. This would be similar to > > your deferred list idea. > > Am now doing this. > > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.6-rc2/2.6.6-rc2-mm2/broken-out/shrink_slab-handle-GFP_NOFS.patch Hi Andrew, I've been fighting a similar problem to this one on a SpecSFS setup that Im running and it seems that this patch fixes it. While I was trying several other patches at the time (all of them not dcache related) and its hard right now to measure the exact improvement percentage, I would guess that these patches provides at least a 11% improvement on my 64GB machine. BTW: I was using JFS on my setup. Thanks -JRS - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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