linux-kernel - Re: slab: setup allocators earlier in the boot sequence

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: <1244796291.7172.87.camel@pasglop>
Date:	Fri, 12 Jun 2009 18:44:51 +1000
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	Pekka Enberg <penberg@...helsinki.fi>
Cc:	Nick Piggin <npiggin@...e.de>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Linux Kernel list <linux-kernel@...r.kernel.org>,
	linux-mm <linux-mm@...ck.org>, mingo@...e.hu,
	cl@...ux-foundation.org, akpm@...ux-foundation.org
Subject: Re: slab: setup allocators earlier in the boot sequence

On Fri, 2009-06-12 at 11:04 +0300, Pekka Enberg wrote:
> Hi Nick,
> 
> On Fri, 2009-06-12 at 10:02 +0200, Nick Piggin wrote:
> > Fair enough, but this can be done right down in the synchronous
> > reclaim path in the page allocator. This will catch more cases
> > of code using the page allocator directly, and should be not
> > as hot as the slab allocator.
> 
> So you want to push the local_irq_enable() to the page allocator too? We
> can certainly do that but I think we ought to wait for Andrew to merge
> Mel's patches to mainline first, OK?

Doesn't my patch take care of all the cases in a much more simple way ?

Cheers,
Ben.


--
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/