memblock: use for_each_memblock()

This is a small cleanup.

Signed-off-by: Emil Medve <Emilian.Medve@Freescale.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 11 insertions, 13 deletions

diff --git a/mm/memblock.c b/mm/memblock.c
index 7fe5354e7552..c5c20c46f97e 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -1271,16 +1271,14 @@ phys_addr_t __init_memblock memblock_end_of_DRAM(void)
 
 void __init memblock_enforce_memory_limit(phys_addr_t limit)
 {
-	unsigned long i;
 	phys_addr_t max_addr = (phys_addr_t)ULLONG_MAX;
+	struct memblock_region *r;
 
 	if (!limit)
 		return;
 
 	/* find out max address */
-	for (i = 0; i < memblock.memory.cnt; i++) {
-		struct memblock_region *r = &memblock.memory.regions[i];
-
+	for_each_memblock(memory, r) {
 		if (limit <= r->size) {
 			max_addr = r->base + limit;
 			break;
@@ -1379,13 +1377,12 @@ int __init_memblock memblock_is_region_reserved(phys_addr_t base, phys_addr_t si
 
 void __init_memblock memblock_trim_memory(phys_addr_t align)
 {
-	int i;
 	phys_addr_t start, end, orig_start, orig_end;
-	struct memblock_type *mem = &memblock.memory;
+	struct memblock_region *r;
 
-	for (i = 0; i < mem->cnt; i++) {
-		orig_start = mem->regions[i].base;
-		orig_end = mem->regions[i].base + mem->regions[i].size;
+	for_each_memblock(memory, r) {
+		orig_start = r->base;
+		orig_end = r->base + r->size;
 		start = round_up(orig_start, align);
 		end = round_down(orig_end, align);
 
@@ -1393,11 +1390,12 @@ void __init_memblock memblock_trim_memory(phys_addr_t align)
 			continue;
 
 		if (start < end) {
-			mem->regions[i].base = start;
-			mem->regions[i].size = end - start;
+			r->base = start;
+			r->size = end - start;
 		} else {
-			memblock_remove_region(mem, i);
-			i--;
+			memblock_remove_region(&memblock.memory,
+					       r - memblock.memory.regions);
+			r--;
 		}
 	}
 }