linux-kernel - Re: [RFC][PATCH 2/9] mm: slub: abstract out double cmpxchg option

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <52D5AEF7.6020707@sr71.net>
Date:	Tue, 14 Jan 2014 13:41:11 -0800
From:	Dave Hansen <dave@...1.net>
To:	Christoph Lameter <cl@...ux.com>
CC:	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	akpm@...ux-foundation.org, penberg@...nel.org
Subject: Re: [RFC][PATCH 2/9] mm: slub: abstract out double cmpxchg option

On 01/14/2014 11:49 AM, Christoph Lameter wrote:
> On Tue, 14 Jan 2014, Dave Hansen wrote:
>> I found this useful to have in my testing.  I would like to have
>> it available for a bit, at least until other folks have had a
>> chance to do some testing with it.
> 
> I dont really see the point of this patch since we already have
> CONFIG_HAVE_ALIGNED_STRUCT_PAGE to play with.

With the current code, if you wanted to turn off the double-cmpxchg abd
get a 56-byte 'struct page' how would you do it?  Can you do it with a
.config, or do you need to hack the code?
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/