diff --git a/arch/mips/arc/identify.c b/arch/mips/arc/identify.c
index 3ba7c47f9f23..4b907369b0f9 100644
--- a/arch/mips/arc/identify.c
+++ b/arch/mips/arc/identify.c
@@ -77,7 +77,7 @@ static struct smatch * __init string_to_mach(const char *s)
 {
 	int i;
 
-	for (i = 0; i < (sizeof(mach_table) / sizeof (mach_table[0])); i++) {
+	for (i = 0; i < ARRAY_SIZE(mach_table); i++) {
 		if (!strcmp(s, mach_table[i].arcname))
 			return &mach_table[i];
 	}
diff --git a/arch/mips/jmr3927/rbhma3100/setup.c b/arch/mips/jmr3927/rbhma3100/setup.c
index 138f25efe38a..7ca3d6d07b34 100644
--- a/arch/mips/jmr3927/rbhma3100/setup.c
+++ b/arch/mips/jmr3927/rbhma3100/setup.c
@@ -434,7 +434,7 @@ void __init tx3927_setup(void)
 
 	/* DMA */
 	tx3927_dmaptr->mcr = 0;
-	for (i = 0; i < sizeof(tx3927_dmaptr->ch) / sizeof(tx3927_dmaptr->ch[0]); i++) {
+	for (i = 0; i < ARRAY_SIZE(tx3927_dmaptr->ch); i++) {
 		/* reset channel */
 		tx3927_dmaptr->ch[i].ccr = TX3927_DMA_CCR_CHRST;
 		tx3927_dmaptr->ch[i].ccr = 0;
diff --git a/arch/mips/mips-boards/atlas/atlas_int.c b/arch/mips/mips-boards/atlas/atlas_int.c
index 6cfcd8fedcce..dfa0acbd7fc2 100644
--- a/arch/mips/mips-boards/atlas/atlas_int.c
+++ b/arch/mips/mips-boards/atlas/atlas_int.c
@@ -32,6 +32,7 @@
 #include <linux/slab.h>
 #include <linux/interrupt.h>
 #include <linux/kernel_stat.h>
+#include <linux/kernel.h>
 
 #include <asm/gdb-stub.h>
 #include <asm/io.h>
@@ -220,7 +221,7 @@ msc_irqmap_t __initdata msc_irqmap[] = {
 	{MSC01C_INT_TMR,		MSC01_IRQ_EDGE, 0},
 	{MSC01C_INT_PCI,		MSC01_IRQ_LEVEL, 0},
 };
-int __initdata msc_nr_irqs = sizeof(msc_irqmap) / sizeof(*msc_irqmap);
+int __initdata msc_nr_irqs = ARRAY_SIZE(msc_irqmap);
 
 msc_irqmap_t __initdata msc_eicirqmap[] = {
 	{MSC01E_INT_SW0,		MSC01_IRQ_LEVEL, 0},
@@ -231,7 +232,7 @@ msc_irqmap_t __initdata msc_eicirqmap[] = {
 	{MSC01E_INT_PERFCTR,		MSC01_IRQ_LEVEL, 0},
 	{MSC01E_INT_CPUCTR,		MSC01_IRQ_LEVEL, 0}
 };
-int __initdata msc_nr_eicirqs = sizeof(msc_eicirqmap) / sizeof(*msc_eicirqmap);
+int __initdata msc_nr_eicirqs = ARRAY_SIZE(msc_eicirqmap);
 
 void __init arch_init_irq(void)
 {
diff --git a/arch/mips/mips-boards/malta/malta_int.c b/arch/mips/mips-boards/malta/malta_int.c
index d9ddb170e595..3c206bb17160 100644
--- a/arch/mips/mips-boards/malta/malta_int.c
+++ b/arch/mips/mips-boards/malta/malta_int.c
@@ -27,6 +27,7 @@
 #include <linux/slab.h>
 #include <linux/interrupt.h>
 #include <linux/kernel_stat.h>
+#include <linux/kernel.h>
 #include <linux/random.h>
 
 #include <asm/i8259.h>
@@ -289,7 +290,7 @@ msc_irqmap_t __initdata msc_irqmap[] = {
 	{MSC01C_INT_TMR,		MSC01_IRQ_EDGE, 0},
 	{MSC01C_INT_PCI,		MSC01_IRQ_LEVEL, 0},
 };
-int __initdata msc_nr_irqs = sizeof(msc_irqmap)/sizeof(msc_irqmap_t);
+int __initdata msc_nr_irqs = ARRAY_SIZE(msc_irqmap);
 
 msc_irqmap_t __initdata msc_eicirqmap[] = {
 	{MSC01E_INT_SW0,		MSC01_IRQ_LEVEL, 0},
@@ -303,7 +304,7 @@ msc_irqmap_t __initdata msc_eicirqmap[] = {
 	{MSC01E_INT_PERFCTR,		MSC01_IRQ_LEVEL, 0},
 	{MSC01E_INT_CPUCTR,		MSC01_IRQ_LEVEL, 0}
 };
-int __initdata msc_nr_eicirqs = sizeof(msc_eicirqmap)/sizeof(msc_irqmap_t);
+int __initdata msc_nr_eicirqs = ARRAY_SIZE(msc_eicirqmap);
 
 void __init arch_init_irq(void)
 {
diff --git a/arch/mips/pci/fixup-vr4133.c b/arch/mips/pci/fixup-vr4133.c
index b1a5b318f26f..a8d9d22b13df 100644
--- a/arch/mips/pci/fixup-vr4133.c
+++ b/arch/mips/pci/fixup-vr4133.c
@@ -17,6 +17,7 @@
  */
 #include <linux/init.h>
 #include <linux/pci.h>
+#include <linux/kernel.h>
 
 #include <asm/io.h>
 #include <asm/i8259.h>
@@ -143,7 +144,7 @@ int rockhopper_get_irq(struct pci_dev *dev, u8 pin, u8 slot)
 	if (bus == NULL)
 		return -1;
 
-	for (i = 0; i < sizeof (int_map) / sizeof (int_map[0]); i++) {
+	for (i = 0; i < ARRAY_SIZE(int_map); i++) {
 		if (int_map[i].bus == bus->number && int_map[i].slot == slot) {
 			int line;
 			for (line = 0; line < 4; line++)