ARM: memblock: use memblock when initializing memory allocators

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 16 insertions, 9 deletions

diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 759878355a05..f68c93bb1fde 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -192,11 +192,11 @@ static void __init arm_bootmem_init(struct meminfo *mi,
         }
 }
 
-static void __init arm_bootmem_free(struct meminfo *mi, unsigned long min,
-        unsigned long max_low, unsigned long max_high)
+static void __init arm_bootmem_free(unsigned long min, unsigned long max_low,
+        unsigned long max_high)
 {
         unsigned long zone_size[MAX_NR_ZONES], zhole_size[MAX_NR_ZONES];
-        int i;
+        struct memblock_region *reg;
 
         /*
          * initialise the zones.
@@ -218,13 +218,20 @@ static void __init arm_bootmem_free(struct meminfo *mi, unsigned long min,
          *  holes = node_size - sum(bank_sizes)
          */
         memcpy(zhole_size, zone_size, sizeof(zhole_size));
-        for_each_bank(i, mi) {
-                int idx = 0;
+        for_each_memblock(memory, reg) {
+                unsigned long start = memblock_region_memory_base_pfn(reg);
+                unsigned long end = memblock_region_memory_end_pfn(reg);
+
+                if (start < max_low) {
+                        unsigned long low_end = min(end, max_low);
+                        zhole_size[0] -= low_end - start;
+                }
 #ifdef CONFIG_HIGHMEM
-                if (mi->bank[i].highmem)
-                        idx = ZONE_HIGHMEM;
+                if (end > max_low) {
+                        unsigned long high_start = max(start, max_low);
+                        zhole_size[ZONE_HIGHMEM] -= end - high_start;
+                }
 #endif
-                zhole_size[idx] -= bank_pfn_size(&mi->bank[i]);
         }
 
         /*
@@ -327,7 +334,7 @@ void __init bootmem_init(void)
          * the sparse mem_map arrays initialized by sparse_init()
          * for memmap_init_zone(), otherwise all PFNs are invalid.
          */
-        arm_bootmem_free(mi, min, max_low, max_high);
+        arm_bootmem_free(min, max_low, max_high);
 
         high_memory = __va((max_low << PAGE_SHIFT) - 1) + 1;