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From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
To: ngupta@vflare.org
Subject: Re: [PATCH] Cleanup migrate case in try_to_unmap_one
Cc: kosaki.motohiro@jp.fujitsu.com, Andrew Morton <akpm@linux-foundation.org>,
       Christoph Hellwig <hch@infradead.org>,
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> On 05/13/2010 11:34 AM, KOSAKI Motohiro wrote:
> >> Remove duplicate handling of TTU_MIGRATE case for
> >> anonymous and filesystem pages.
> >>
> >> Signed-off-by: Nitin Gupta <ngupta@vflare.org>
> > 
> > This patch change swap cache case. I think this is not intentional.
> 
> IIUC, we never call this function with TTU_MIGRATE for swap cache pages.
> So, the behavior after this patch remains unchanged.

Why?