--- a/arch/mips/kernel/signal.c
+++ b/arch/mips/kernel/signal.c
@@ -101,7 +101,7 @@ static int protected_save_fp_context(str
 
 static int protected_restore_fp_context(struct sigcontext __user *sc)
 {
-	int err, tmp;
+	int err, tmp __maybe_unused;
 	while (1) {
 		lock_fpu_owner();
 		own_fpu_inatomic(0);
--- a/arch/mips/kernel/syscall.c
+++ b/arch/mips/kernel/syscall.c
@@ -372,7 +372,7 @@ save_static_function(sys_sysmips);
 static int __used noinline
 _sys_sysmips(nabi_no_regargs struct pt_regs regs)
 {
-	long cmd, arg1, arg2, arg3;
+	long cmd, arg1, arg2, arg3 __maybe_unused;
 
 	cmd = regs.regs[4];
 	arg1 = regs.regs[5];
--- a/arch/mips/mm/init.c
+++ b/arch/mips/mm/init.c
@@ -323,7 +323,7 @@ static int __init page_is_ram(unsigned l
 void __init paging_init(void)
 {
 	unsigned long max_zone_pfns[MAX_NR_ZONES];
-	unsigned long lastpfn;
+	unsigned long lastpfn __maybe_unused;
 
 	pagetable_init();
 
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -412,7 +412,7 @@ static inline int fault_in_pages_writeab
 
 static inline int fault_in_pages_readable(const char __user *uaddr, int size)
 {
-	volatile char c;
+	volatile char c __maybe_unused;
 	int ret;
 
 	if (unlikely(size == 0))
--- a/arch/mips/mm/c-r4k.c
+++ b/arch/mips/mm/c-r4k.c
@@ -1076,7 +1076,7 @@ static int __cpuinit probe_scache(void)
 	unsigned long flags, addr, begin, end, pow2;
 	unsigned int config = read_c0_config();
 	struct cpuinfo_mips *c = &current_cpu_data;
-	int tmp;
+	int tmp __maybe_unused;
 
 	if (config & CONF_SC)
 		return 0;