linux-kernel - Re: Pagecache: find_or_create_page does not call a proper page allocator function

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 for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <Pine.LNX.4.64.0704241047570.8418@schroedinger.engr.sgi.com>
Date:	Tue, 24 Apr 2007 10:48:40 -0700 (PDT)
From:	Christoph Lameter <clameter@....com>
To:	Hugh Dickins <hugh@...itas.com>
cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Nick Piggin <npiggin@...e.de>, linux-kernel@...r.kernel.org,
	pj@....com
Subject: Re: Pagecache: find_or_create_page does not call a proper page
 allocator function

On Tue, 24 Apr 2007, Hugh Dickins wrote:

> > And if a page is in the wrong area then it can be bounced before I/O 
> > is performed on it.
> 
> I think that much is also true, but not where the problem lies.
> Isn't the problem that filesystems using these block devices
> expect their metadata to be accessible without kmap calls?

Metadata is not movable nor subject to memory policies. It will never be 
mapped into a process space.


-
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/