diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c
index c6a473e5384a1f6b8cfc124faa5463267c38e0e9..36ce6ecf732675a0ac238438505a169807de5c3d 100644
--- a/arch/arm64/kernel/setup.c
+++ b/arch/arm64/kernel/setup.c
@@ -210,7 +210,7 @@ static void __init request_standard_resources(void)
 {
 	struct memblock_region *region;
 	struct resource *res, *res_resources;
-	unsigned long i = 0, j = 0, res_count;
+	unsigned long i = 0, j, res_count;
 
 	kernel_code.start   = __pa_symbol(_text);
 	kernel_code.end     = __pa_symbol(__init_begin - 1);
@@ -258,7 +258,7 @@ static void __init request_standard_resources(void)
 			request_resource(res, &crashk_res);
 #endif
 
-		for (; j < res_mem_count; j++) {
+		for (j = 0; j < res_mem_count; j++) {
 			if (res_resources[j].start >= res->start &&
 			    res_resources[j].end <= res->end)
 				request_resource(res, &res_resources[j]);
diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c
index 8a968d8e46a7cdaa0079ae2d306ee5ead558346d..103c602b49724333a6dd326748493157b132d616 100644
--- a/arch/arm64/mm/init.c
+++ b/arch/arm64/mm/init.c
@@ -400,16 +400,6 @@ static int __init parse_memmap_one(char *p)
 			return -EINVAL;
 		}
 
-		if (!memblock_is_region_memory(start_at, mem_size)) {
-			pr_warn("cannot reserve memory: region is not meory\n");
-			return -EINVAL;
-		}
-
-		if (memblock_is_region_reserved(start_at, mem_size)) {
-			pr_warn("cannot reserve memory: region overlaps reserved memory\n");
-			return -EINVAL;
-		}
-
 		ret = memblock_reserve(start_at, mem_size);
 		if (!ret) {
 			res_mem[res_mem_count].base = start_at;
@@ -417,7 +407,8 @@ static int __init parse_memmap_one(char *p)
 			res_mem_count++;
 		} else
 			pr_warn("memmap memblock_reserve failed.\n");
-	}
+	} else
+		pr_info("Unrecognized memmap option, please check the parameter.\n");
 
 	return *p == '\0' ? 0 : -EINVAL;
 }