diff --git a/arch/alpha/mm/init.c b/arch/alpha/mm/init.c
index af91010990b06ff072dcb94fc3a73c6bc6dcf0b6..a1bea91df56ab996b92f33b0cfcd6738e4d2c072 100644
--- a/arch/alpha/mm/init.c
+++ b/arch/alpha/mm/init.c
@@ -276,17 +276,14 @@ srm_paging_stop (void)
 }
 #endif
 
-#ifndef CONFIG_DISCONTIGMEM
 void __init
 mem_init(void)
 {
-	max_mapnr = max_low_pfn;
-	free_all_bootmem();
+	set_max_mapnr(max_low_pfn);
 	high_memory = (void *) __va(max_low_pfn * PAGE_SIZE);
-
+	free_all_bootmem();
 	mem_init_print_info(NULL);
 }
-#endif /* CONFIG_DISCONTIGMEM */
 
 void
 free_initmem(void)
diff --git a/arch/alpha/mm/numa.c b/arch/alpha/mm/numa.c
index 0894b3a8b70f29eb8c47cd4d52acdb70946cde0a..d543d71c28b4e4ce08e30587e41bae3786a35f7f 100644
--- a/arch/alpha/mm/numa.c
+++ b/arch/alpha/mm/numa.c
@@ -319,13 +319,3 @@ void __init paging_init(void)
 	/* Initialize the kernel's ZERO_PGE. */
 	memset((void *)ZERO_PGE, 0, PAGE_SIZE);
 }
-
-void __init mem_init(void)
-{
-	high_memory = (void *) __va(max_low_pfn << PAGE_SHIFT);
-	free_all_bootmem();
-	mem_init_print_info(NULL);
-#if 0
-	mem_stress();
-#endif
-}