| 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
| ||
|
Date: Mon, 10 Mar 2008 18:25:33 +0100 From: Andi Kleen <andi@...stfloor.org> To: Hugh Dickins <hugh@...itas.com> Cc: Andi Kleen <andi@...stfloor.org>, Christoph Lameter <clameter@....com>, Andrew Morton <akpm@...ux-foundation.org>, Ingo Molnar <mingo@...e.hu>, KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>, Thomas Gleixner <tglx@...utronix.de>, LKML <linux-kernel@...r.kernel.org>, Linus Torvalds <torvalds@...ux-foundation.org>, Bart Van Assche <bart.vanassche@...il.com>, Jeremy Fitzhardinge <jeremy@...p.org> Subject: Re: quicklists confuse meminfo On Mon, Mar 10, 2008 at 05:19:32PM +0000, Hugh Dickins wrote: > On Mon, 10 Mar 2008, Andi Kleen wrote: > > Christoph Lameter <clameter@....com> writes: > > > > > > Zeroed pages however will not address the issue of having initialized pgd > > > (which seems to be what i386 needs). > > > > pgd is tiny on i386 PAE (4 * 16 bytes). Are you sure reinitializing that > > is a serious issue? ... > > It used to be tiny (32 aligned bytes), then 2.6.22's quicklist enlarged > that to a whole (lowmem) page. I think we were all too busy with other > stuff to protest loudly enough about that bloat. Interesting; I missed. Hmm, that might have been for Xen or Vmware too (which like some structures be page aligned) But I agree it is bloat in general. -Andi -- 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/
Powered by blists - more mailing lists