linux-kernel - Re: [PATCH] mm: Use linear_page_index() in do

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Date:	Mon, 1 Feb 2016 15:44:01 -0500
From:	Matthew Wilcox <willy@...ux.intel.com>
To:	"Kirill A. Shutemov" <kirill@...temov.name>
Cc:	Matthew Wilcox <matthew.r.wilcox@...el.com>,
	Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mm: Use linear_page_index() in do_fault()

On Mon, Feb 01, 2016 at 03:06:38PM +0200, Kirill A. Shutemov wrote:
> On Sun, Jan 31, 2016 at 11:13:21PM +1100, Matthew Wilcox wrote:
> > do_fault assumes that PAGE_SIZE is the same as PAGE_CACHE_SIZE.
> > Use linear_page_index() to calculate pgoff in the correct units.
> > 
> > Signed-off-by: Matthew Wilcox <matthew.r.wilcox@...el.com>
> 
> Acked-by: Kirill A. Shutemov <kirill.shutemov@...ux.intel.com>
> 
> 'linear' part of helper name is not relevant any more since we've dropped
> non-linear mappings. Probably, we should rename helpers.

Ah, that's what it was named for.  Yes, probably.