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 <[email protected]> Signed-off-by: Robert Richter <[email protected]> Signed-off-by: David Daney <[email protected]> Acked-by: Catalin Marinas <[email protected]> Signed-off-by: Rafael J. Wysocki <[email protected]>
sm00th · May 30, 2016 · 8ccbbda · 8ccbbda
1 parent 6525afd
commit 8ccbbda
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Showing 2 changed files with 8 additions and 8 deletions.
diff --git 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
@@ -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;
 	}