diff --git a/mm/memblock.c b/mm/memblock.c
index 35c438146233..74a3c26df52e 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -20,6 +20,7 @@
 #include <asm/sections.h>
 #include <linux/io.h>
 #include <linux/sort.h>
+#include <linux/proc_fs.h>
 
 #include "internal.h"
 
@@ -2086,6 +2087,30 @@ static unsigned long memsize_ro __initdata_memblock;
 static unsigned long memsize_bss __initdata_memblock;
 static long memsize_reusable_size;
 
+enum memblock_memsize_state {
+	MEMBLOCK_MEMSIZE_NONE = 0,
+	MEMBLOCK_MEMSIZE_DEBUGFS,
+	MEMBLOCK_MEMSIZE_PROCFS,
+};
+
+static enum memblock_memsize_state memsize_state __initdata_memblock = MEMBLOCK_MEMSIZE_NONE;
+
+static int __init early_memblock_memsize(char *str)
+{
+	if (!str)
+		return -EINVAL;
+	if (strcmp(str, "none") == 0)
+		memsize_state = MEMBLOCK_MEMSIZE_NONE;
+	else if (strcmp(str, "debugfs") == 0)
+		memsize_state = MEMBLOCK_MEMSIZE_DEBUGFS;
+	else if (strcmp(str, "procfs") == 0)
+		memsize_state = MEMBLOCK_MEMSIZE_PROCFS;
+	else
+		return -EINVAL;
+	return 0;
+}
+early_param("memblock_memsize", early_memblock_memsize);
+
 void __init memblock_memsize_enable_tracking(void)
 {
 	memblock_memsize_tracking = true;
@@ -2246,6 +2271,9 @@ void __init_memblock memblock_memsize_record(const char *name, phys_addr_t base,
 	struct memsize_rgn_struct *rgn;
 	phys_addr_t end;
 
+	if (name && memsize_state == MEMBLOCK_MEMSIZE_NONE)
+		return;
+
 	if (memsize_rgn_count == CONFIG_MAX_MEMBLOCK_MEMSIZE) {
 		pr_err("not enough space on memsize_rgn\n");
 		return;
@@ -2882,8 +2910,12 @@ static int __init memblock_init_debugfs(void)
 			    &memblock_debug_fops);
 #endif
 #ifdef CONFIG_MEMBLOCK_MEMSIZE
-	debugfs_create_file("memsize", 0444, root,
-			    NULL, &memblock_memsize_fops);
+	if (memsize_state == MEMBLOCK_MEMSIZE_DEBUGFS)
+		debugfs_create_file("memsize", 0444, root, NULL,
+				    &memblock_memsize_fops);
+	else if (memsize_state == MEMBLOCK_MEMSIZE_PROCFS)
+		proc_create_single("memsize", 0, NULL,
+				    memblock_memsize_show);
 #endif
 
 	return 0;