linux-kernel - Re: [patch] mm: reduce pagetable-freeing latencies

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Message-ID: <p73abtmt2y7.fsf@bingen.suse.de>
Date:	24 Jul 2007 14:13:04 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org,
	Hugh Dickins <hugh@...itas.com>
Subject: Re: [patch] mm: reduce pagetable-freeing latencies

Benjamin Herrenschmidt <benh@...nel.crashing.org> writes:

> > What a truly putrid patch.  I am suspecting that this was a quick
> > get-you-out-of-trouble thing, which then got forgotten about.
> > 
> > We have two months to do the "right fix".  Please?
> 
> Working on it... 

Ideally the patch would DTRT even on non preemptible kernels,
aka do cond_resched()s when needed.

-Andi
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