linux-kernel - Re: [patch] SLQB slab allocator (try 2)

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]

Date:	Tue, 17 Feb 2009 15:04:51 -0500 (EST)
From:	Christoph Lameter <cl@...ux-foundation.org>
To:	Pekka Enberg <penberg@...helsinki.fi>
cc:	Johannes Weiner <hannes@...xchg.org>, Mel Gorman <mel@....ul.ie>,
	Nick Piggin <nickpiggin@...oo.com.au>,
	Nick Piggin <npiggin@...e.de>,
	Linux Memory Management List <linux-mm@...ck.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Lin Ming <ming.m.lin@...el.com>,
	"Zhang, Yanmin" <yanmin_zhang@...ux.intel.com>
Subject: Re: [patch] SLQB slab allocator (try 2)

On Tue, 17 Feb 2009, Pekka Enberg wrote:

> >> +#define SLUB_MAX_SIZE (2 * PAGE_SIZE)
>
> On Tue, Feb 17, 2009 at 8:11 PM, Johannes Weiner <hannes@...xchg.org> wrote:
> > This relies on PAGE_SIZE being 4k.  If you want 8k, why don't you say
> > so?  Pekka did this explicitely.
>
> That could be a problem, sure. Especially for architecture that have 64 K pages.

You could likely put a complicated formula in there instead. But 2 *
PAGE_SIZE is simple and will work on all platforms regardless of pagesize.

--
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/