--- zzzz-none-000/linux-3.10.107/arch/m32r/mm/discontig.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/m32r/mm/discontig.c	2021-02-04 17:41:59.000000000 +0000
@@ -129,11 +129,10 @@
 #define START_PFN(nid)		(NODE_DATA(nid)->bdata->node_min_pfn)
 #define MAX_LOW_PFN(nid)	(NODE_DATA(nid)->bdata->node_low_pfn)
 
-unsigned long __init zone_sizes_init(void)
+void __init zone_sizes_init(void)
 {
 	unsigned long zones_size[MAX_NR_ZONES], zholes_size[MAX_NR_ZONES];
 	unsigned long low, start_pfn;
-	unsigned long holes = 0;
 	int nid, i;
 	mem_prof_t *mp;
 
@@ -147,7 +146,6 @@
 		low = MAX_LOW_PFN(nid);
 		zones_size[ZONE_DMA] = low - start_pfn;
 		zholes_size[ZONE_DMA] = mp->holes;
-		holes += zholes_size[ZONE_DMA];
 
 		node_set_state(nid, N_NORMAL_MEMORY);
 		free_area_init_node(nid, zones_size, start_pfn, zholes_size);
@@ -161,6 +159,4 @@
 	NODE_DATA(1)->node_zones->watermark[WMARK_MIN] = 0;
 	NODE_DATA(1)->node_zones->watermark[WMARK_LOW] = 0;
 	NODE_DATA(1)->node_zones->watermark[WMARK_HIGH] = 0;
-
-	return holes;
 }