diff --git a/arch/mips/dec/boot/decstation.c b/arch/mips/dec/boot/decstation.c
index 56fd4277555e6064f63c629f4557c32424ec8f4d..4db8bacaf22d51398f1f5f4ac414c44c5c0be923 100644
--- a/arch/mips/dec/boot/decstation.c
+++ b/arch/mips/dec/boot/decstation.c
@@ -1,6 +1,7 @@
 /*
  * arch/mips/dec/decstation.c
  */
+#include <asm/sections.h>
 
 #define RELOC
 #define INITRD
@@ -24,7 +25,7 @@
 #define INITRD_START (*(unsigned long *) (PARAM+0x218))
 #define INITRD_SIZE (*(unsigned long *) (PARAM+0x21c))
 
-extern int _ftext, _end;		/* begin and end of kernel image */
+extern int _ftext;			/* begin and end of kernel image */
 extern void kernel_entry(int, char **, unsigned long, int *);
 
 void * memcpy(void * dest, const void *src, unsigned int count)
diff --git a/arch/mips/ite-boards/ivr/init.c b/arch/mips/ite-boards/ivr/init.c
index b774db035b3132c69769d37dae693e3889fd1a53..05cf9218c43279b1c8a25e6a5c6ea1ce2072c0cb 100644
--- a/arch/mips/ite-boards/ivr/init.c
+++ b/arch/mips/ite-boards/ivr/init.c
@@ -34,13 +34,13 @@
 #include <asm/bootinfo.h>
 #include <linux/string.h>
 #include <linux/kernel.h>
+#include <asm/sections.h>
 #include <asm/it8172/it8172.h>
 #include <asm/it8172/it8172_dbg.h>
 
 int prom_argc;
 char **prom_argv, **prom_envp;
 
-extern char _end;
 extern void  __init prom_init_cmdline(void);
 extern unsigned long __init prom_get_memsize(void);
 extern void __init it8172_init_ram_resource(unsigned long memsize);
diff --git a/arch/mips/ite-boards/qed-4n-s01b/init.c b/arch/mips/ite-boards/qed-4n-s01b/init.c
index e8ec8be66a80b9d630948312f38654d993273cfb..ea2a754cafe582ef0d6b10dccb76bc7dd71b6edb 100644
--- a/arch/mips/ite-boards/qed-4n-s01b/init.c
+++ b/arch/mips/ite-boards/qed-4n-s01b/init.c
@@ -34,13 +34,13 @@
 #include <asm/bootinfo.h>
 #include <linux/string.h>
 #include <linux/kernel.h>
+#include <asm/sections.h>
 #include <asm/it8172/it8172.h>
 #include <asm/it8172/it8172_dbg.h>
 
 int prom_argc;
 char **prom_argv, **prom_envp;
 
-extern char _end;
 extern void  __init prom_init_cmdline(void);
 extern unsigned long __init prom_get_memsize(void);
 extern void __init it8172_init_ram_resource(unsigned long memsize);
diff --git a/arch/mips/mips-boards/generic/memory.c b/arch/mips/mips-boards/generic/memory.c
index 32c9210373ac864e5faab2c8789dff848f3c5322..d3df1eb4b6c7e50ec8cd44ea4a39ba22bfbe0fa0 100644
--- a/arch/mips/mips-boards/generic/memory.c
+++ b/arch/mips/mips-boards/generic/memory.c
@@ -26,6 +26,7 @@
 
 #include <asm/bootinfo.h>
 #include <asm/page.h>
+#include <asm/sections.h>
 
 #include <asm/mips-boards/prom.h>
 
@@ -46,9 +47,6 @@ static char *mtypes[3] = {
 };
 #endif
 
-/* References to section boundaries */
-extern char _end;
-
 struct prom_pmemblock * __init prom_getmdesc(void)
 {
 	char *memsize_str;
@@ -106,7 +104,7 @@ struct prom_pmemblock * __init prom_getmdesc(void)
 
 	mdesc[3].type = yamon_dontuse;
 	mdesc[3].base = 0x00100000;
-	mdesc[3].size = CPHYSADDR(PAGE_ALIGN(&_end)) - mdesc[3].base;
+	mdesc[3].size = CPHYSADDR(PAGE_ALIGN((unsigned long)&_end)) - mdesc[3].base;
 
 	mdesc[4].type = yamon_free;
 	mdesc[4].base = CPHYSADDR(PAGE_ALIGN(&_end));
diff --git a/arch/mips/mips-boards/sim/sim_mem.c b/arch/mips/mips-boards/sim/sim_mem.c
index e57f737bab10265aeb1b46866336ad57651e24ba..ede9c27e450bcf644ebda450541636764385a06f 100644
--- a/arch/mips/mips-boards/sim/sim_mem.c
+++ b/arch/mips/mips-boards/sim/sim_mem.c
@@ -21,6 +21,7 @@
 
 #include <asm/bootinfo.h>
 #include <asm/page.h>
+#include <asm/sections.h>
 
 #include <asm/mips-boards/prom.h>
 
@@ -39,9 +40,6 @@ static char *mtypes[3] = {
 };
 #endif
 
-/* References to section boundaries */
-extern char _end;
-
 struct prom_pmemblock * __init prom_getmdesc(void)
 {
 	unsigned int memsize;