diff for duplicates of <20220210073001.GA5028@lst.de>

diff --git a/a/1.txt b/N1/1.txt
index 59e6140..292705f 100644
--- a/a/1.txt
+++ b/N1/1.txt
@@ -1,7 +1,3 @@
 Thanks,
 
 applied to the dma-mapping tree for 5.18.
-_______________________________________________
-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 1f753de..023f05f 100644
--- a/a/content_digest
+++ b/N1/content_digest
@@ -3,20 +3,18 @@
  "Subject\0Re: [PATCH] MAINTAINERS: Update maintainer list of DMA MAPPING BENCHMARK\0"
  "Date\0Thu, 10 Feb 2022 08:30:01 +0100\0"
  "To\0chenxiang <chenxiang66@hisilicon.com>\0"
- "Cc\0linuxarm@huawei.com"
+ "Cc\0song.bao.hua@hisilicon.com"
+  hch@lst.de
+  m.szyprowski@samsung.com
+  robin.murphy@arm.com
   linuxarm@openeuler.org
+  linuxarm@huawei.com
   iommu@lists.linux-foundation.org
-  linux-kselftest@vger.kernel.org
-  robin.murphy@arm.com
- " hch@lst.de\0"
+ " linux-kselftest@vger.kernel.org\0"
  "\00:1\0"
  "b\0"
  "Thanks,\n"
  "\n"
- "applied to the dma-mapping tree for 5.18.\n"
- "_______________________________________________\n"
- "iommu mailing list\n"
- "iommu@lists.linux-foundation.org\n"
- https://lists.linuxfoundation.org/mailman/listinfo/iommu
+ applied to the dma-mapping tree for 5.18.
 
-5966c06652e180b2be8a45e6b5f2faa07c211b2d21c3f4d5a5e4ca47d49e7ab0
+c7ee0cea340a007af5505cb383961427cbdb8de34b1c2ff3dafdc4687bc510c0
