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Date: Thu, 08 Sep 2016 11:19:02 +0530
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To: "Huang, Ying" <ying.huang@intel.com>,
        Andrew Morton <akpm@linux-foundation.org>
CC: tim.c.chen@intel.com, dave.hansen@intel.com, andi.kleen@intel.com,
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Subject: Re: [PATCH -v3 04/10] mm, THP, swap: Add swap cluster allocate/free
 functions
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On 09/07/2016 10:16 PM, Huang, Ying wrote:
> From: Huang Ying <ying.huang@intel.com>
> 
> The swap cluster allocation/free functions are added based on the
> existing swap cluster management mechanism for SSD.  These functions
> don't work for the rotating hard disks because the existing swap cluster
> management mechanism doesn't work for them.  The hard disks support may
> be added if someone really need it.  But that needn't be included in
> this patchset.
> 
> This will be used for the THP (Transparent Huge Page) swap support.
> Where one swap cluster will hold the contents of each THP swapped out.

Which tree this series is based against ? This patch does not apply
on the mainline kernel today.