ARM: memblock: move meminfo into find_limits directly

bootmem_init() no longer makes several uses of the membank
information, so move this into the one remaining called function
which does use it.
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mm/init.c

@@ -122,9 +122,10 @@ void show_mem(void)
 	printk("%d pages swap cached\n", cached);
 }
 
-static void __init find_limits(struct meminfo *mi,
-	unsigned long *min, unsigned long *max_low, unsigned long *max_high)
+static void __init find_limits(unsigned long *min, unsigned long *max_low,
+	unsigned long *max_high)
 {
+	struct meminfo *mi = &meminfo;
 	int i;
 
 	*min = -1UL;
@@ -317,12 +318,11 @@ void __init arm_memblock_init(struct meminfo *mi, struct machine_desc *mdesc)
 
 void __init bootmem_init(void)
 {
-	struct meminfo *mi = &meminfo;
 	unsigned long min, max_low, max_high;
 
 	max_low = max_high = 0;
 
-	find_limits(mi, &min, &max_low, &max_high);
+	find_limits(&min, &max_low, &max_high);
 
 	arm_bootmem_init(min, max_low);