linux-kernel - Re: Re: [patch] slab: always follow arch requested alignments

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: <84144f020607260843i15247ddai7f447f0d9422fec5@mail.gmail.com>
Date:	Wed, 26 Jul 2006 18:43:30 +0300
From:	"Pekka Enberg" <penberg@...helsinki.fi>
To:	"Christoph Lameter" <clameter@....com>
Cc:	"Heiko Carstens" <heiko.carstens@...ibm.com>,
	"Andrew Morton" <akpm@...l.org>, linux-kernel@...r.kernel.org,
	"Manfred Spraul" <manfred@...orfullife.com>
Subject: Re: Re: [patch] slab: always follow arch requested alignments

Hi Christoph,

On 7/26/06, Christoph Lameter <clameter@....com> wrote:
> We intentionally discard the caller mandated alignment for debugging
> purposes.

Disagreed. The caller mandated alignment is not a hint. It is the
required minimum alignment for objects.

On 7/26/06, Christoph Lameter <clameter@....com> wrote:
> And it changes the basic way that slab debugging works.

Look at kmem_cache_create, we turn off debugging for both caller and
architecture mandated alignments already and the only reason we are
not doing it for Heiko is because the architecture recommended default
alignment is so large.

                                      Pekka
-
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/