linux-kernel - Re: [GIT PULL] Lockless SLUB slowpaths for v3.1-rc1

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: <alpine.DEB.2.00.1107291002570.16178@router.home>
Date:	Fri, 29 Jul 2011 10:04:36 -0500 (CDT)
From:	Christoph Lameter <cl@...ux.com>
To:	Pekka Enberg <penberg@...nel.org>
cc:	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	rientjes@...gle.com, hughd@...gle.com,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [GIT PULL] Lockless SLUB slowpaths for v3.1-rc1

On Fri, 29 Jul 2011, Pekka Enberg wrote:

> We haven't come up with a solution to keep struct page size the same but I
> think it's a reasonable trade-off.

The change requires the page struct to be aligned to a double word
boundary. There is actually no variable added to the page struct. Its just
the alignment requirement that causes padding to be added after each page
struct.

--
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/