diff for duplicates of <20200515144522.GA25652@lst.de>

diff --git a/a/1.txt b/N1/1.txt
index a38b3c1..6f72d2f 100644
--- a/a/1.txt
+++ b/N1/1.txt
@@ -17,7 +17,8 @@ On Fri, May 15, 2020 at 01:10:21PM +0100, Robin Murphy wrote:
 Exactly.  If you upper consumer of the DMA API keeps reusing the same
 pages just map them once and use dma_sync_* to transfer ownership as
 needed.
+
 _______________________________________________
-iommu mailing list
-iommu@lists.linux-foundation.org
-https://lists.linuxfoundation.org/mailman/listinfo/iommu
+linux-arm-kernel mailing list
+linux-arm-kernel@lists.infradead.org
+http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
diff --git a/a/content_digest b/N1/content_digest
index 18bc9b7..bab5d41 100644
--- a/a/content_digest
+++ b/N1/content_digest
@@ -4,7 +4,8 @@
  "Subject\0Re: Constantly map and unmap of streaming DMA buffers with IOMMU backend might cause serious performance problem\0"
  "Date\0Fri, 15 May 2020 16:45:22 +0200\0"
  "To\0Robin Murphy <robin.murphy@arm.com>\0"
- "Cc\0davidm@hpl.hp.com <davidm@hpl.hp.com>"
+ "Cc\0Song Bao Hua <song.bao.hua@hisilicon.com>"
+  davidm@hpl.hp.com <davidm@hpl.hp.com>
   ralf@oss.sgi.com <ralf@oss.sgi.com>
   Linuxarm <linuxarm@huawei.com>
   linux@armlinux.org.uk <linux@armlinux.org.uk>
@@ -16,7 +17,8 @@
   grundler@cup.hp.com <grundler@cup.hp.com>
   jens.axboe@oracle.com <jens.axboe@oracle.com>
   hch@lst.de <hch@lst.de>
- " linux-arm-kernel@lists.infradead.org <linux-arm-kernel@lists.infradead.org>\0"
+  linux-arm-kernel@lists.infradead.org <linux-arm-kernel@lists.infradead.org>
+ " m.szyprowski@samsung.com <m.szyprowski@samsung.com>\0"
  "\00:1\0"
  "b\0"
  "On Fri, May 15, 2020 at 01:10:21PM +0100, Robin Murphy wrote:\n"
@@ -38,9 +40,10 @@
  "Exactly.  If you upper consumer of the DMA API keeps reusing the same\n"
  "pages just map them once and use dma_sync_* to transfer ownership as\n"
  "needed.\n"
+ "\n"
  "_______________________________________________\n"
- "iommu mailing list\n"
- "iommu@lists.linux-foundation.org\n"
- https://lists.linuxfoundation.org/mailman/listinfo/iommu
+ "linux-arm-kernel mailing list\n"
+ "linux-arm-kernel@lists.infradead.org\n"
+ http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
 
-59af4e46118cdb69c38ef076deadcd221a28ce3648228c10cc0ee52ff074c87e
+3bcae582c125ad4f27df4d214726407e924361b6f48e7b1c683143494b8e545e
