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Message-ID: <alpine.DEB.1.00.0910170151570.31277@chino.kir.corp.google.com> Date: Sat, 17 Oct 2009 01:54:35 -0700 (PDT) From: David Rientjes <rientjes@...gle.com> To: Pekka Enberg <penberg@...helsinki.fi> cc: Christoph Lameter <cl@...ux-foundation.org>, linux-kernel@...r.kernel.org Subject: Re: [patch] slub: allow stats to be cleared On Sat, 17 Oct 2009, Pekka Enberg wrote: > > On a semi-related topic, it would have been nice to isolate all statistic > > files to its own directory: /sys/kernel/slab/kmalloc-256/stats/..., for > > example. It would have made collecting (and now clearing) all statistics > > much easier since userspace wouldn't need a predefined list of stat file > > names to scan. I wonder if Pekka would allow them to be moved... > > It's a non-production configuration option and the only known user of the ABI > is in slabinfo.c so maybe we can just go ahead and do that. Alternatively, I > think we can preserve the current ABI with symbolic links in sysfs? > I think it would be best to just move them to /sys/kernel/slab/cache/stats. I'll propose a patch and we can see how it looks. I remember trying to change `cpuslab_flush' to `cpu_slab_flush' before and you nack'd it, so I wasn't sure you'd accept this ABI change :) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.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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