Re: [PATCH v3] mm: Add unmap_mapping_pages

[Ross Zwisler <ross.zwisler@linux.intel.com>]

On Wed, Dec 06, 2017 at 06:26:27AM -0800, Matthew Wilcox wrote:
> v3:
>  - Fix compilation
>    (I forgot to git commit --amend)
>  - Added Ross' Reviewed-by
> v2:
>  - Fix inverted mask in dax.c
>  - Pass 'false' instead of '0' for 'only_cows'
>  - nommu definition
> 
> --- 8< ---
> 
> From df142c51e111f7c386f594d5443530ea17abba5f Mon Sep 17 00:00:00 2001
> From: Matthew Wilcox <mawilcox@microsoft.com>
> Date: Tue, 5 Dec 2017 00:15:54 -0500
> Subject: [PATCH v3] mm: Add unmap_mapping_pages

Just FYI, the above scissors doesn't allow me to apply the patch using git
version 2.14.3:

  $ git am --scissors  ~/patch/out.patch
  Patch is empty.
  When you have resolved this problem, run "git am --continue".
  If you prefer to skip this patch, run "git am --skip" instead.
  To restore the original branch and stop patching, run "git am --abort".

It's mad about the second set of mail headers in the body of your mail, and
tries to separate into a second patch.

You can get around this either by a) not having the second set of headers
(From:, Date:, Subject:), or by including the extra info in a separate block
below the --- line, i.e.:

  ...
  Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>
  Reported-by: "zhangyi (F)" <yi.zhang@huawei.com>
  Reviewed-by: Ross Zwisler <ross.zwisler@linux.intel.com>
  ---
  
  v3:
   - Fix compilation
     (I forgot to git commit --amend)
   - Added Ross' Reviewed-by
  v2:
   - Fix inverted mask in dax.c
   - Pass 'false' instead of '0' for 'only_cows'
   - nommu definition
  
  ---
   fs/dax.c           | 19 ++++++-------------
   include/linux/mm.h | 26 ++++++++++++++++----------
  ...

- Ross

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