linux-kernel - Re: [PATCH next] memcg: remove PCG_CACHE page

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:	Wed, 29 Feb 2012 17:21:18 -0800 (PST)
From:	Hugh Dickins <hughd@...gle.com>
To:	Johannes Weiner <hannes@...xchg.org>
cc:	Andrew Morton <akpm@...ux-foundation.org>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Konstantin Khlebnikov <khlebnikov@...nvz.org>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH next] memcg: remove PCG_CACHE page_cgroup flag fix

On Wed, 29 Feb 2012, Johannes Weiner wrote:
> On Tue, Feb 28, 2012 at 09:30:17PM -0800, Hugh Dickins wrote:
> >  
> > +	anon = PageAnon(page);
> > +
> >  	switch (ctype) {
> >  	case MEM_CGROUP_CHARGE_TYPE_MAPPED:
> > +		anon = true;
> > +		/* fallthrough */
> 
> If you don't mind, could you add a small comment on why this is the
> exception where we don't trust page->mapping?

Right, I'll send an incremental fix for that.

> 
> Other than that,
> Acked-by: Johannes Weiner <hannes@...xchg.org>

Thanks,
Hugh
--
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/