diff for duplicates of <20210402144455.GA19264@lst.de>

diff --git a/a/1.txt b/N1/1.txt
index d785d77..9089307 100644
--- a/a/1.txt
+++ b/N1/1.txt
@@ -12,7 +12,3 @@ On Wed, Mar 24, 2021 at 07:33:23AM +0000, Song Bao Hua (Barry Song) wrote:
 I really don't think we should be exporting more low-level kthread
 APIs.  Especially as we've been trying to get most users off the
 kthread API and to workqueues instead.
-_______________________________________________
-iommu mailing list
-iommu@lists.linux-foundation.org
-https://lists.linuxfoundation.org/mailman/listinfo/iommu
diff --git a/a/content_digest b/N1/content_digest
index 6a2aa6b..e956d08 100644
--- a/a/content_digest
+++ b/N1/content_digest
@@ -5,16 +5,17 @@
  "Subject\0Re: [PATCH] dma-mapping: make map_benchmark compile into module\0"
  "Date\0Fri, 2 Apr 2021 16:44:55 +0200\0"
  "To\0Song Bao Hua (Barry Song) <song.bao.hua@hisilicon.com>\0"
- "Cc\0paulmck@kernel.org <paulmck@kernel.org>"
+ "Cc\0Christoph Hellwig <hch@lst.de>"
+  tiantao (H) <tiantao6@hisilicon.com>
+  akpm@linux-foundation.org <akpm@linux-foundation.org>
   peterz@infradead.org <peterz@infradead.org>
+  paulmck@kernel.org <paulmck@kernel.org>
   ast@kernel.org <ast@kernel.org>
+  tglx@linutronix.de <tglx@linutronix.de>
   rostedt@goodmis.org <rostedt@goodmis.org>
-  linux-kernel@vger.kernel.org <linux-kernel@vger.kernel.org>
+  m.szyprowski@samsung.com <m.szyprowski@samsung.com>
   iommu@lists.linux-foundation.org <iommu@lists.linux-foundation.org>
-  tglx@linutronix.de <tglx@linutronix.de>
- " tiantao \\(H\\) <tiantao6@hisilicon.com>"
-  akpm@linux-foundation.org <akpm@linux-foundation.org>
- " Christoph Hellwig <hch@lst.de>\0"
+ " linux-kernel@vger.kernel.org <linux-kernel@vger.kernel.org>\0"
  "\00:1\0"
  "b\0"
  "On Wed, Mar 24, 2021 at 07:33:23AM +0000, Song Bao Hua (Barry Song) wrote:\n"
@@ -30,10 +31,6 @@
  "\n"
  "I really don't think we should be exporting more low-level kthread\n"
  "APIs.  Especially as we've been trying to get most users off the\n"
- "kthread API and to workqueues instead.\n"
- "_______________________________________________\n"
- "iommu mailing list\n"
- "iommu@lists.linux-foundation.org\n"
- https://lists.linuxfoundation.org/mailman/listinfo/iommu
+ kthread API and to workqueues instead.
 
-548855376132fd2e0f3b89920d1fba476e4321320b74e27d27b5072bad104857
+11b7c2a557f22e64992e86b566f3915c36d10578c1e7a4398acdaa9da2bd3eb6
