diff --git a/mm/cma.c b/mm/cma.c
index b3eaf39..4354ee7 100644
--- a/mm/cma.c
+++ b/mm/cma.c
@@ -54,6 +54,11 @@
 	return cma->count << PAGE_SHIFT;
 }
 
+const char *cma_get_name(const struct cma *cma)
+{
+	return cma->name ? cma->name : "(undefined)";
+}
+
 static unsigned long cma_bitmap_aligned_mask(const struct cma *cma,
 					     int align_order)
 {
@@ -173,6 +178,7 @@
  */
 int __init cma_init_reserved_mem(phys_addr_t base, phys_addr_t size,
 				 unsigned int order_per_bit,
+				 const char *name,
 				 struct cma **res_cma)
 {
 	struct cma *cma;
@@ -203,6 +209,13 @@
 	 * subsystems (like slab allocator) are available.
 	 */
 	cma = &cma_areas[cma_area_count];
+	if (name) {
+		cma->name = name;
+	} else {
+		cma->name = kasprintf(GFP_KERNEL, "cma%d\n", cma_area_count);
+		if (!cma->name)
+			return -ENOMEM;
+	}
 	cma->base_pfn = PFN_DOWN(base);
 	cma->count = size >> PAGE_SHIFT;
 	cma->order_per_bit = order_per_bit;
@@ -234,7 +247,7 @@
 int __init cma_declare_contiguous(phys_addr_t base,
 			phys_addr_t size, phys_addr_t limit,
 			phys_addr_t alignment, unsigned int order_per_bit,
-			bool fixed, struct cma **res_cma)
+			bool fixed, const char *name, struct cma **res_cma)
 {
 	phys_addr_t memblock_end = memblock_end_of_DRAM();
 	phys_addr_t highmem_start;
@@ -345,7 +358,7 @@
 		base = addr;
 	}
 
-	ret = cma_init_reserved_mem(base, size, order_per_bit, res_cma);
+	ret = cma_init_reserved_mem(base, size, order_per_bit, name, res_cma);
 	if (ret)
 		goto err;