diff --git a/debian/changelog b/debian/changelog
index e92a31f51..21249fed6 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -2,6 +2,8 @@ linux (4.5-1~exp2) UNRELEASED; urgency=medium
 
   * mm: exclude ZONE_DEVICE from GFP_ZONE_TABLE
   * mm: ZONE_DEVICE depends on SPARSEMEM_VMEMMAP
+  * [amd64] Re-enable ZONE_DMA and sound drivers that depend on it
+    (Closes: #814855)
 
  -- Ben Hutchings <ben@decadent.org.uk>  Fri, 25 Mar 2016 13:43:57 +0000
 
diff --git a/debian/config/kernelarch-x86/config-arch-64 b/debian/config/kernelarch-x86/config-arch-64
index ede7b19a4..31d25335f 100644
--- a/debian/config/kernelarch-x86/config-arch-64
+++ b/debian/config/kernelarch-x86/config-arch-64
@@ -2,7 +2,6 @@
 ## file: arch/x86/Kconfig
 ##
 CONFIG_64BIT=y
-# CONFIG_ZONE_DMA is not set
 CONFIG_SMP=y
 CONFIG_X86_X2APIC=y
 CONFIG_CALGARY_IOMMU=y