diff for duplicates of <20180131181356.GG2912@redhat.com>

diff --git a/a/1.txt b/N1/1.txt
index 77fb326..183ec37 100644
--- a/a/1.txt
+++ b/N1/1.txt
@@ -1,12 +1,9 @@
 On Wed, Jan 31, 2018 at 05:55:58PM +0000, Al Viro wrote:
 > On Wed, Jan 31, 2018 at 12:42:45PM -0500, Jerome Glisse wrote:
-> =
-
-> > For block devices the idea is to use struct page and buffer_head (first=
- one of
+> 
+> > For block devices the idea is to use struct page and buffer_head (first one of
 > > a page) as a key to find mapping (struct address_space) back.
-> =
-
+> 
 > Details, please...
 
 Note that i am not talking about block device page (i am excluding
@@ -41,8 +38,10 @@ if it make sense to add support to write protect a page before write
 back is done.
 
 Cheers,
-J=E9r=F4me
-_______________________________________________
-Lsf-pc mailing list
-Lsf-pc@lists.linux-foundation.org
-https://lists.linuxfoundation.org/mailman/listinfo/lsf-pc
+Jï¿½rï¿½me
+
+--
+To unsubscribe, send a message with 'unsubscribe linux-mm' in
+the body to majordomo@kvack.org.  For more info on Linux MM,
+see: http://www.linux-mm.org/ .
+Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
diff --git a/a/content_digest b/N1/content_digest
index 5e09814..0f1aeb2 100644
--- a/a/content_digest
+++ b/N1/content_digest
@@ -3,24 +3,21 @@
  "ref\020180131174245.GE2912@redhat.com\0"
  "ref\020180131175558.GA30522@ZenIV.linux.org.uk\0"
  "From\0Jerome Glisse <jglisse@redhat.com>\0"
- "Subject\0Re: [Lsf-pc] [LSF/MM TOPIC] Killing reliance on struct page->mapping\0"
+ "Subject\0Re: [LSF/MM TOPIC] Killing reliance on struct page->mapping\0"
  "Date\0Wed, 31 Jan 2018 13:13:56 -0500\0"
  "To\0Al Viro <viro@zeniv.linux.org.uk>\0"
- "Cc\0linux-fsdevel@vger.kernel.org"
+ "Cc\0lsf-pc@lists.linux-foundation.org"
+  linux-fsdevel@vger.kernel.org
   linux-mm@kvack.org
-  lsf-pc@lists.linux-foundation.org
  " linux-block@vger.kernel.org\0"
  "\00:1\0"
  "b\0"
  "On Wed, Jan 31, 2018 at 05:55:58PM +0000, Al Viro wrote:\n"
  "> On Wed, Jan 31, 2018 at 12:42:45PM -0500, Jerome Glisse wrote:\n"
- "> =\n"
- "\n"
- "> > For block devices the idea is to use struct page and buffer_head (first=\n"
- " one of\n"
+ "> \n"
+ "> > For block devices the idea is to use struct page and buffer_head (first one of\n"
  "> > a page) as a key to find mapping (struct address_space) back.\n"
- "> =\n"
- "\n"
+ "> \n"
  "> Details, please...\n"
  "\n"
  "Note that i am not talking about block device page (i am excluding\n"
@@ -55,10 +52,12 @@
  "back is done.\n"
  "\n"
  "Cheers,\n"
- "J=E9r=F4me\n"
- "_______________________________________________\n"
- "Lsf-pc mailing list\n"
- "Lsf-pc@lists.linux-foundation.org\n"
- https://lists.linuxfoundation.org/mailman/listinfo/lsf-pc
+ "J\303\257\302\277\302\275r\303\257\302\277\302\275me\n"
+ "\n"
+ "--\n"
+ "To unsubscribe, send a message with 'unsubscribe linux-mm' in\n"
+ "the body to majordomo@kvack.org.  For more info on Linux MM,\n"
+ "see: http://www.linux-mm.org/ .\n"
+ "Don't email: <a href=mailto:\"dont@kvack.org\"> email@kvack.org </a>"
 
-fca44a82562ffc78707b907a6ac6519162f91070910095dc6aa525b2d16f52a6
+4f3a714b9b2a31b173296b84ccb662ab2d41d7db5e1a3cae4ca8441063ea45c6
