Re: [PATCH] Use MPOL_INTERLEAVE for tmpfs files

From: Brent Casavant
Date: Mon Nov 15 2004 - 17:13:27 EST

On Thu, 11 Nov 2004, Hugh Dickins wrote:

> The first (against 2.6.10-rc1-mm5) being my reversion of NULL sbinfo
> in shmem.c, to make it easier for others to add things into sbinfo
> without having to worry about NULL cases. So that goes back to
> allocating an sbinfo even for the internal mount: I've rounded up to
> L1_CACHE_BYTES to avoid false sharing, but even so, please test it out
> on your 512-way to make sure I haven't screwed up the scalability we
> got before - thanks. If you find it okay, I'll send to akpm soonish.

OK, tried it at 508P (the last 4P had a hardware problem). The
performance results are all in line with what we'd accomplished
with NULL sbinfo, so the patch is good by me.


Brent Casavant If you had nothing to fear,
bcasavan@xxxxxxx how then could you be brave?
Silicon Graphics, Inc. -- Queen Dama, Source Wars
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