diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index c930b8ceb418..1e06d233fa83 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -211,6 +211,7 @@ config MIPS_MALTA
 	select SYS_SUPPORTS_64BIT_KERNEL
 	select SYS_SUPPORTS_BIG_ENDIAN
 	select SYS_SUPPORTS_LITTLE_ENDIAN
+	select SYS_SUPPORTS_MIPS_CMP if BROKEN	# because SYNC_R4K is broken
 	select SYS_SUPPORTS_MULTITHREADING
 	select SYS_SUPPORTS_SMARTMIPS
 	help
@@ -1499,6 +1500,18 @@ config MIPS_APSP_KSPD
 	  "exit" syscall notifying other kernel modules the SP program is
 	  exiting.  You probably want to say yes here.
 
+config MIPS_CMP
+	bool "MIPS CMP framework support"
+	depends on SYS_SUPPORTS_MIPS_CMP
+	select SYNC_R4K if BROKEN
+	select SYS_SUPPORTS_SMP
+	select SYS_SUPPORTS_SCHED_SMT if SMP
+	select WEAK_ORDERING
+	default n
+	help
+	  This is a placeholder option for the GCMP work. It will need to
+	  be handled differently...
+
 config SB1_PASS_1_WORKAROUNDS
 	bool
 	depends on CPU_SB1_PASS_1
@@ -1675,6 +1688,9 @@ config SMP
 config SMP_UP
 	bool
 
+config SYS_SUPPORTS_MIPS_CMP
+	bool
+
 config SYS_SUPPORTS_SMP
 	bool
 
@@ -1722,17 +1738,6 @@ config NR_CPUS
 	  performance should round up your number of processors to the next
 	  power of two.
 
-config MIPS_CMP
-	bool "MIPS CMP framework support"
-	depends on SMP
-	select SYNC_R4K
-	select SYS_SUPPORTS_SCHED_SMT
-	select WEAK_ORDERING
-	default n
-	help
-	  This is a placeholder option for the GCMP work. It will need to
-	  be handled differently...
-
 source "kernel/time/Kconfig"
 
 #
diff --git a/arch/mips/kernel/head.S b/arch/mips/kernel/head.S
index 361364501d34..492a0a8d70fb 100644
--- a/arch/mips/kernel/head.S
+++ b/arch/mips/kernel/head.S
@@ -22,6 +22,7 @@
 #include <asm/irqflags.h>
 #include <asm/regdef.h>
 #include <asm/page.h>
+#include <asm/pgtable-bits.h>
 #include <asm/mipsregs.h>
 #include <asm/stackframe.h>
 
diff --git a/include/asm-mips/sn/mapped_kernel.h b/include/asm-mips/sn/mapped_kernel.h
index c3dd5d0d525f..721496a0bb92 100644
--- a/include/asm-mips/sn/mapped_kernel.h
+++ b/include/asm-mips/sn/mapped_kernel.h
@@ -5,6 +5,8 @@
 #ifndef __ASM_SN_MAPPED_KERNEL_H
 #define __ASM_SN_MAPPED_KERNEL_H
 
+#include <linux/mmzone.h>
+
 /*
  * Note on how mapped kernels work: the text and data section is
  * compiled at cksseg segment (LOADADDR = 0xc001c000), and the
@@ -29,10 +31,8 @@
 #define MAPPED_ADDR_RO_TO_PHYS(x)	(x - REP_BASE)
 #define MAPPED_ADDR_RW_TO_PHYS(x)	(x - REP_BASE - 16777216)
 
-#define MAPPED_KERN_RO_PHYSBASE(n) \
-			(PLAT_NODE_DATA(n)->kern_vars.kv_ro_baseaddr)
-#define MAPPED_KERN_RW_PHYSBASE(n) \
-			(PLAT_NODE_DATA(n)->kern_vars.kv_rw_baseaddr)
+#define MAPPED_KERN_RO_PHYSBASE(n) (hub_data(n)->kern_vars.kv_ro_baseaddr)
+#define MAPPED_KERN_RW_PHYSBASE(n) (hub_data(n)->kern_vars.kv_rw_baseaddr)
 
 #define MAPPED_KERN_RO_TO_PHYS(x) \
 				((unsigned long)MAPPED_ADDR_RO_TO_PHYS(x) | \