linux-kernel - Re: [PATCH] mm: account reaped page cache on inode cache pruning

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] [day] [month] [year] [list]

Message-ID: <4EC609FC.7000601@openvz.org>
Date:	Fri, 18 Nov 2011 11:32:12 +0400
From:	Konstantin Khlebnikov <khlebnikov@...nvz.org>
To:	Andrew Morton <akpm@...ux-foundation.org>
CC:	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Dave Chinner <david@...morbit.com>
Subject: Re: [PATCH] mm: account reaped page cache on inode cache pruning

Andrew Morton wrote:
> On Fri, 18 Nov 2011 10:42:50 +0400 Konstantin Khlebnikov<khlebnikov@...nvz.org>  wrote:
>
>> Do we really need separate on-stack reclaim_state structure with single field?
>> Maybe replace it with single long (or even unsigned int) .reclaimed_pages field on task_struct
>> and account reclaimed pages unconditionally.
>
> I don't think it matters a lot - it's either a temporary pointer on the
> stack or a permanent space consumption in the task_struct.

Yes, but currently task_struct has permanent pointer to reclaim_state =)

>
> The way thing are at present we can easily add new fields if needed.  I
> don't think we've ever done that though.

--
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/