arm64, NUMA: rework numa_add_memblk()

Rework numa_add_memblk() to update the parameter "u64 size" to "u64
end", this will make it consistent with x86 and simplifies the arm64
ACPI NUMA code to be added later.

Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>
Signed-off-by: Robert Richter <rrichter@cavium.com>
Signed-off-by: David Daney <david.daney@cavium.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/arch/arm64/mm/numa.c b/arch/arm64/mm/numa.c
index 98dc104..6cb03f9 100644 (file)
--- a/arch/arm64/mm/numa.c
+++ b/arch/arm64/mm/numa.c
@@ -131,25 +131,25 @@ void __init early_map_cpu_to_node(unsigned int cpu, int nid)
  * numa_add_memblk - Set node id to memblk
  * @nid: NUMA node ID of the new memblk
  * @start: Start address of the new memblk
- * @size:  Size of the new memblk
+ * @end:  End address of the new memblk
  *
  * RETURNS:
  * 0 on success, -errno on failure.
  */
-int __init numa_add_memblk(int nid, u64 start, u64 size)
+int __init numa_add_memblk(int nid, u64 start, u64 end)
 {
        int ret;
 
-       ret = memblock_set_node(start, size, &memblock.memory, nid);
+       ret = memblock_set_node(start, (end - start), &memblock.memory, nid);
        if (ret < 0) {
                pr_err("NUMA: memblock [0x%llx - 0x%llx] failed to add on node %d\n",
-                       start, (start + size - 1), nid);
+                       start, (end - 1), nid);
                return ret;
        }
 
        node_set(nid, numa_nodes_parsed);
        pr_info("NUMA: Adding memblock [0x%llx - 0x%llx] on node %d\n",
-                       start, (start + size - 1), nid);
+                       start, (end - 1), nid);
        return ret;
 }
 
@@ -367,7 +367,7 @@ static int __init dummy_numa_init(void)
               0LLU, PFN_PHYS(max_pfn) - 1);
 
        for_each_memblock(memory, mblk) {
-               ret = numa_add_memblk(0, mblk->base, mblk->size);
+               ret = numa_add_memblk(0, mblk->base, mblk->base + mblk->size);
                if (!ret)
                        continue;
 

diff --git a/drivers/of/of_numa.c b/drivers/of/of_numa.c
index 0f2784b..ed5a097 100644 (file)
--- a/drivers/of/of_numa.c
+++ b/drivers/of/of_numa.c
@@ -91,8 +91,8 @@ static int __init of_numa_parse_memory_nodes(void)
                pr_debug("NUMA:  base = %llx len = %llx, node = %u\n",
                         rsrc.start, rsrc.end - rsrc.start + 1, nid);
 
-               r = numa_add_memblk(nid, rsrc.start,
-                                   rsrc.end - rsrc.start + 1);
+
+               r = numa_add_memblk(nid, rsrc.start, rsrc.end + 1);
                if (r)
                        break;
        }