Merge branch 'core-memblock-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...

[pandora-kernel.git] / arch / arm / mm / init.c

diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 36c4553..7fd9b5e 100644 (file)
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -150,6 +150,7 @@ static void __init find_limits(struct meminfo *mi,
 static void __init arm_bootmem_init(struct meminfo *mi,
        unsigned long start_pfn, unsigned long end_pfn)
 {
+       struct memblock_region *reg;
        unsigned int boot_pages;
        phys_addr_t bitmap;
        pg_data_t *pgdat;
@@ -180,13 +181,13 @@ static void __init arm_bootmem_init(struct meminfo *mi,
        /*
         * Reserve the memblock reserved regions in bootmem.
         */
-       for (i = 0; i < memblock.reserved.cnt; i++) {
-               phys_addr_t start = memblock_start_pfn(&memblock.reserved, i);
-               if (start >= start_pfn &&
-                   memblock_end_pfn(&memblock.reserved, i) <= end_pfn)
+       for_each_memblock(reserved, reg) {
+               phys_addr_t start = memblock_region_reserved_base_pfn(reg);
+               phys_addr_t end = memblock_region_reserved_end_pfn(reg);
+               if (start >= start_pfn && end <= end_pfn)
                        reserve_bootmem_node(pgdat, __pfn_to_phys(start),
-                               memblock_size_bytes(&memblock.reserved, i),
-                               BOOTMEM_DEFAULT);
+                                            (end - start) << PAGE_SHIFT,
+                                            BOOTMEM_DEFAULT);
        }
 }
 
@@ -237,20 +238,7 @@ static void __init arm_bootmem_free(struct meminfo *mi, unsigned long min,
 #ifndef CONFIG_SPARSEMEM
 int pfn_valid(unsigned long pfn)
 {
-       struct memblock_region *mem = &memblock.memory;
-       unsigned int left = 0, right = mem->cnt;
-
-       do {
-               unsigned int mid = (right + left) / 2;
-
-               if (pfn < memblock_start_pfn(mem, mid))
-                       right = mid;
-               else if (pfn >= memblock_end_pfn(mem, mid))
-                       left = mid + 1;
-               else
-                       return 1;
-       } while (left < right);
-       return 0;
+       return memblock_is_memory(pfn << PAGE_SHIFT);
 }
 EXPORT_SYMBOL(pfn_valid);
 
@@ -260,10 +248,11 @@ static void arm_memory_present(void)
 #else
 static void arm_memory_present(void)
 {
-       int i;
-       for (i = 0; i < memblock.memory.cnt; i++)
-               memory_present(0, memblock_start_pfn(&memblock.memory, i),
-                                 memblock_end_pfn(&memblock.memory, i));
+       struct memblock_region *reg;
+
+       for_each_memblock(memory, reg)
+               memory_present(0, memblock_region_memory_base_pfn(reg),
+                              memblock_region_memory_end_pfn(reg));
 }
 #endif