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From: "Jaya Kumar" <jayakumar.lkml@gmail.com>
To: "Nick Piggin" <nickpiggin@yahoo.com.au>
Cc: "Andrew Morton" <akpm@osdl.org>,
	linux-fbdev-devel@lists.sourceforge.net,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH/RFC 2.6.20-rc4 1/1] fbdev,mm: hecuba/E-Ink fbdev driver
Date: Sat, 17 Feb 2007 10:47:54 +0100	[thread overview]
Message-ID: <45a44e480702170147x73d1e5c8v6439ac412b952a7@mail.gmail.com> (raw)
In-Reply-To: <45A6DAA2.8070605@yahoo.com.au>

On 1/12/07, Nick Piggin <nickpiggin@yahoo.com.au> wrote:
> Jaya Kumar wrote:
> > - write so get page_mkwrite where we add this page to a list
> > - also schedules a workqueue task to be run after a delay
> > - app continues writing to that page with no additional cost
> > - the workqueue task comes in and unmaps the pages on the list, then
> >  completes the work associated with updating the framebuffer
>
> Have you thought about implementing a traditional write-back cache using
> the dirty bits, rather than unmapping the page?
>

Ah, sorry, I erred in my description. I'm not unmapping pages, I'm
calling page_mkclean which uses the dirty bits.

Thanks,
jaya

  reply	other threads:[~2007-02-17  9:47 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-01-11 14:24 Jaya Kumar
2007-01-11 21:37 ` Andrew Morton
2007-01-12  0:22   ` Jaya Kumar
2007-01-12  0:36     ` Andrew Morton
2007-01-12  0:47     ` Nick Piggin
2007-02-17  9:47       ` Jaya Kumar [this message]
2007-01-12  7:15     ` Peter Zijlstra
2007-01-12  7:25       ` Andrew Morton

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