[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date: Tue, 26 Jan 2016 08:57:29 -0600 (CST)
From: Christoph Lameter <cl@...ux.com>
To: Laura Abbott <labbott@...oraproject.org>
cc: Pekka Enberg <penberg@...nel.org>, David Rientjes <rientjes@...gle.com>,
Joonsoo Kim <js1304@...il.com>, Andrew Morton <akpm@...ux-foundation.org>,
linux-mm@...ck.org, linux-kernel@...r.kernel.org,
kernel-hardening@...ts.openwall.com, Kees Cook <keescook@...omium.org>
Subject: Re: [RFC][PATCH 0/3] Speed up SLUB poisoning + disable checks
On Mon, 25 Jan 2016, Laura Abbott wrote:
> slub_debug=-: 7.437
> slub_debug=-: 7.932
So thats an almost 10% performance regression if the feature is not used.
The reason that posoning is on the slow path is because it is impacting
performance. Focus on optimizing the debug path without impacting the fast
path please.
Powered by blists - more mailing lists
Confused about mailing lists and their use?
Read about mailing lists on Wikipedia
and check out these
guidelines on proper formatting of your messages.
