linux-kernel - Re: [RFC 4/8] Enhance fallback functions in libs to support higher order pages

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Date:	Thu, 19 Apr 2007 13:48:27 -0500
From:	"Adam Litke" <aglitke@...il.com>
To:	"Christoph Lameter" <clameter@....com>
Cc:	linux-kernel@...r.kernel.org,
	"Peter Zijlstra" <a.p.zijlstra@...llo.nl>,
	"Nick Piggin" <nickpiggin@...oo.com.au>, "Andi Kleen" <ak@...e.de>,
	"Paul Jackson" <pj@....com>, "Dave Chinner" <dgc@....com>
Subject: Re: [RFC 4/8] Enhance fallback functions in libs to support higher order pages

On 4/19/07, Christoph Lameter <clameter@....com> wrote:
> @@ -331,11 +331,15 @@ int simple_prepare_write(struct file *fi
>                         unsigned from, unsigned to)
>  {
>         if (!PageUptodate(page)) {
> -               if (to - from != PAGE_CACHE_SIZE) {
> +               if (to - from != page_cache_size(file->f_mapping)) {

Where do you introduce page_cache_size()?  Is this added by a
different set of patches I should have applied first?

--
Adam Litke ( agl at us.ibm.com )
IBM Linux Technology Center
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