diff for duplicates of <20220413010157.GA10502@gao-cwp>

diff --git a/a/1.txt b/N1/1.txt
index 9a7e913..3c081cf 100644
--- a/a/1.txt
+++ b/N1/1.txt
@@ -30,7 +30,3 @@ a little complicated.
 How about an open-coded version of dma_direct_sync_single_for_cpu
 in dma_direct_unmap_page with swiotlb_sync_single_for_cpu replaced by
 swiotlb_tbl_unmap_single?
-_______________________________________________
-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 2bddbcc..1c1af60 100644
--- a/a/content_digest
+++ b/N1/content_digest
@@ -4,12 +4,13 @@
  "Subject\0Re: [PATCH] dma-direct: avoid redundant memory sync for swiotlb\0"
  "Date\0Wed, 13 Apr 2022 09:02:02 +0800\0"
  "To\0Robin Murphy <robin.murphy@arm.com>\0"
- "Cc\0Kevin Tian <kevin.tian@intel.com>"
+ "Cc\0linux-kernel@vger.kernel.org"
+  iommu@lists.linux-foundation.org
+  m.szyprowski@samsung.com
+  hch@lst.de
   Wang Zhaoyang1 <zhaoyang1.wang@intel.com>
-  linux-kernel@vger.kernel.org
   Gao Liang <liang.gao@intel.com>
-  iommu@lists.linux-foundation.org
- " hch@lst.de\0"
+ " Kevin Tian <kevin.tian@intel.com>\0"
  "\00:1\0"
  "b\0"
  "On Tue, Apr 12, 2022 at 02:33:05PM +0100, Robin Murphy wrote:\n"
@@ -43,10 +44,6 @@
  "\n"
  "How about an open-coded version of dma_direct_sync_single_for_cpu\n"
  "in dma_direct_unmap_page with swiotlb_sync_single_for_cpu replaced by\n"
- "swiotlb_tbl_unmap_single?\n"
- "_______________________________________________\n"
- "iommu mailing list\n"
- "iommu@lists.linux-foundation.org\n"
- https://lists.linuxfoundation.org/mailman/listinfo/iommu
+ swiotlb_tbl_unmap_single?
 
-dd3a17569071c0f781fd47192e941ce565d7a705047841343e5fba73479e3881
+a8058672f345edfd42433fcffa95f95eca03afa84fe81d11bb53eef2441a7490
