diff --git a/debian/changelog b/debian/changelog
index 433651edf..625e2683b 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -259,6 +259,7 @@ linux (4.9.22-1) UNRELEASED; urgency=medium
   [ Aurelien Jarno ]
   * [mips*/octeon] Drop obsolete patch adding support for the UBNT E200
     board.
+  * [mips*el/loongson-3] Disable PAGE_EXTENSION and PAGE_POISONING.
 
  -- Ben Hutchings <ben@decadent.org.uk>  Thu, 30 Mar 2017 18:27:30 +0100
 
diff --git a/debian/config/kernelarch-mips/config.loongson-3 b/debian/config/kernelarch-mips/config.loongson-3
index acf7a373b..95744114d 100644
--- a/debian/config/kernelarch-mips/config.loongson-3
+++ b/debian/config/kernelarch-mips/config.loongson-3
@@ -91,6 +91,12 @@ CONFIG_FB_RADEON=y
 CONFIG_PREEMPT=y
 ## end choice
 
+##
+## file: mm/Kconfig.debug
+##
+# CONFIG_PAGE_EXTENSION is not set
+# CONFIG_PAGE_POISONING is not set
+
 ##
 ## file: sound/pci/hda/Kconfig
 ##