linux-kernel - Re: [PATCH v2 1/2] mm/slub: optimize alloc/free fastpath by removing preemption on/off

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Message-ID: <20150116113736.59406ea8@gandalf.local.home>
Date:	Fri, 16 Jan 2015 11:37:36 -0500
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Eric Dumazet <eric.dumazet@...il.com>
Cc:	Christoph Lameter <cl@...ux.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Joonsoo Kim <iamjoonsoo.kim@....com>,
	Pekka Enberg <penberg@...nel.org>,
	David Rientjes <rientjes@...gle.com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org,
	Jesper Dangaard Brouer <brouer@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Peter Zijlstra <peterz@...radead.org>
Subject: Re: [PATCH v2 1/2] mm/slub: optimize alloc/free fastpath by
 removing preemption on/off

On Fri, 16 Jan 2015 05:40:59 -0800
Eric Dumazet <eric.dumazet@...il.com> wrote:

> I made same observation about 3 years ago, on old cpus.
> 

Thank you for letting me know. I was thinking I was going insane!

(yeah yeah, there's lots of people who will still say that I've already
gone insane, but at least I know my memory is still intact)

-- Steve
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