linux-kernel - Re: [PATCH 10/31] mm/mpol: Remove NUMA_INTERLEAVE

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Message-ID: <m2txtiqnef.fsf@firstfloor.org>
Date:	Thu, 25 Oct 2012 13:58:48 -0700
From:	Andi Kleen <andi@...stfloor.org>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc:	Rik van Riel <riel@...hat.com>,
	Andrea Arcangeli <aarcange@...hat.com>,
	Mel Gorman <mgorman@...e.de>,
	Johannes Weiner <hannes@...xchg.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	Lee Schermerhorn <Lee.Schermerhorn@...com>,
	Ingo Molnar <mingo@...nel.org>
Subject: Re: [PATCH 10/31] mm/mpol: Remove NUMA_INTERLEAVE_HIT

Peter Zijlstra <a.p.zijlstra@...llo.nl> writes:

> Since the NUMA_INTERLEAVE_HIT statistic is useless on its own; it wants
> to be compared to either a total of interleave allocations or to a miss
> count, remove it.

NACK, as already posted several times.

This breaks the numactl test suite, which is the only way currently to
test interleaving.

Please don't ignore review feedback.

-Andi

-- 
ak@...ux.intel.com -- Speaking for myself only
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