powerpc: Use HAVE_MEMBLOCK_NODE_MAP

powerpc doesn't access early_node_map[] directly and enabling
HAVE_MEMBLOCK_NODE_MAP is trivial - replacing add_active_range() calls
with memblock_set_node() and selecting HAVE_MEMBLOCK_NODE_MAP is
enough.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Yinghai Lu <yinghai@kernel.org>

3 files changed, 6 insertions, 7 deletions

diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 951e18f5335b..8516477c4dc5 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -117,6 +117,7 @@ config PPC
         select HAVE_KRETPROBES
         select HAVE_ARCH_TRACEHOOK
         select HAVE_MEMBLOCK
+        select HAVE_MEMBLOCK_NODE_MAP
         select HAVE_DMA_ATTRS
         select HAVE_DMA_API_DEBUG
         select USE_GENERIC_SMP_HELPERS if SMP
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index 2dd6bdd31fe1..8e2eb6611b0b 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -199,7 +199,7 @@ void __init do_init_bootmem(void)
                 unsigned long start_pfn, end_pfn;
                 start_pfn = memblock_region_memory_base_pfn(reg);
                 end_pfn = memblock_region_memory_end_pfn(reg);
-                add_active_range(0, start_pfn, end_pfn);
+                memblock_set_node(0, (phys_addr_t)ULLONG_MAX, 0);
         }
 
         /* Add all physical memory to the bootmem map, mark each area
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index 261adbd3b55a..e6eea0ac80c8 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -690,9 +690,7 @@ static void __init parse_drconf_memory(struct device_node *memory)
                         node_set_online(nid);
                         sz = numa_enforce_memory_limit(base, size);
                         if (sz)
-                                add_active_range(nid, base >> PAGE_SHIFT,
-                                                 (base >> PAGE_SHIFT)
-                                                 + (sz >> PAGE_SHIFT));
+                                memblock_set_node(base, sz, nid);
                 } while (--ranges);
         }
 }
@@ -782,8 +780,7 @@ new_range:
                                 continue;
                 }
 
-                add_active_range(nid, start >> PAGE_SHIFT,
-                                (start >> PAGE_SHIFT) + (size >> PAGE_SHIFT));
+                memblock_set_node(start, size, nid);
 
                 if (--ranges)
                         goto new_range;
@@ -819,7 +816,8 @@ static void __init setup_nonnuma(void)
                 end_pfn = memblock_region_memory_end_pfn(reg);
 
                 fake_numa_create_new_node(end_pfn, &nid);
-                add_active_range(nid, start_pfn, end_pfn);
+                memblock_set_node(PFN_PHYS(start_pfn),
+                                  PFN_PHYS(end_pfn - start_pfn), nid);
                 node_set_online(nid);
         }
 }