diff --git a/debian/changelog b/debian/changelog
index 38b8097ac..5341f3bf2 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -11,7 +11,7 @@ linux-2.6 (2.6.27-1~experimental.1) UNRELEASED; urgency=low
     CRYPTO_RMD160, CRYPTO_RMD256, CRYPTO_RMD320, VLAN_8021Q_GVRP, HP_WMI,
     COMPAL_LAPTOP, SCSI_DH, SCSI_DH_RDAC, SCSI_DH_HP_SW, SCSI_DH_EMC,
     SCSI_DH_ALUA, MAC80211_HWSIM, USB_HSO, BLK_DEV_INTEGRITY.
-  * [x86] set MOUSE_BCM5974.
+  * [x86] set MOUSE_BCM5974, X86_RESERVE_LOW_64K.
   * [x86_64] set AMD_IOMMU, MTRR_SANITIZER.
   * Add stable releases 2.6.27.1-2.6.27.7.
 
diff --git a/debian/config/amd64/config b/debian/config/amd64/config
index 358abbf77..7d3460bc5 100644
--- a/debian/config/amd64/config
+++ b/debian/config/amd64/config
@@ -33,6 +33,7 @@ CONFIG_MICROCODE=m
 CONFIG_X86_MSR=m
 CONFIG_X86_CPUID=m
 CONFIG_NODES_SHIFT=6
+CONFIG_X86_RESERVE_LOW_64K=y
 CONFIG_MTRR=y
 CONFIG_MTRR_SANITIZER=y
 CONFIG_MTRR_SANITIZER_ENABLE_DEFAULT=0
diff --git a/debian/config/i386/config b/debian/config/i386/config
index 8e70b3f06..d8514327a 100644
--- a/debian/config/i386/config
+++ b/debian/config/i386/config
@@ -45,6 +45,7 @@ CONFIG_VMSPLIT_3G_OPT=y
 # CONFIG_VMSPLIT_1G is not set
 ## end choice
 # CONFIG_X86_PAE is not set
+CONFIG_X86_RESERVE_LOW_64K=y
 CONFIG_MTRR=y
 # CONFIG_X86_PAT is not set
 CONFIG_EFI=y