From: Nick Piggin <npiggin@suse.de>
To: Christoph Hellwig <hch@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
akpm@linux-foundation.org, linux-mm@kvack.org,
randy.dunlap@oracle.com, dgc@sgi.com
Subject: Re: [patch 2/8] mm: merge populate and nopage into fault (fixes nonlinear)
Date: Wed, 23 May 2007 04:57:47 +0200 [thread overview]
Message-ID: <20070523025747.GB9255@wotan.suse.de> (raw)
In-Reply-To: <20070522151220.GA9541@infradead.org>
On Tue, May 22, 2007 at 04:12:20PM +0100, Christoph Hellwig wrote:
> On Fri, May 18, 2007 at 08:11:35AM -0700, Linus Torvalds wrote:
> >
> > On Fri, 18 May 2007, akpm@linux-foundation.org wrote:
> > >
> > > Nonlinear mappings are (AFAIKS) simply a virtual memory concept that encodes
> > > the virtual address -> file offset differently from linear mappings.
> >
> > I'm not going to merge this one.
>
> So if ->fault doesn't get in can be please at least get block_page_mkwrite
> in to fix the shared mmap write allocation and unwritten extent + mmap
> issues? It can then later be converted to whatever version of ->fault
> goes in.
David asked me about that a while back and yes, I have no problems with
page_mkwrite users going into the tree -- I'll just convert them myself
when the page_mkwrite -> fault conversion happens.
Actually it would be kind of useful to have some of them in the tree as
a reference when doing the conversion.
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next prev parent reply other threads:[~2007-05-23 2:57 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-18 7:37 akpm, Nick Piggin
2007-05-18 10:24 ` Christoph Hellwig
2007-05-18 15:11 ` Linus Torvalds
2007-05-19 1:38 ` Nick Piggin
2007-05-22 15:12 ` Christoph Hellwig
2007-05-23 1:14 ` Linus Torvalds
2007-05-23 8:35 ` David Chinner
2007-05-23 9:35 ` Nick Piggin
2007-05-23 2:57 ` Nick Piggin [this message]
2007-05-23 23:37 ` Benjamin Herrenschmidt
2007-05-24 1:48 ` Nick Piggin
2007-05-24 2:06 ` Linus Torvalds
2007-05-24 2:24 ` Nick Piggin
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