diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index 08a9236..9d9e736 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -763,15 +763,12 @@
 {
 	int i, j, highmem = 0;
 
-	lowmem_limit = __pa(vmalloc_min - 1) + 1;
-	memblock_set_current_limit(lowmem_limit);
-
 	for (i = 0, j = 0; i < meminfo.nr_banks; i++) {
 		struct membank *bank = &meminfo.bank[j];
 		*bank = meminfo.bank[i];
 
 #ifdef CONFIG_HIGHMEM
-		if (__va(bank->start) > vmalloc_min ||
+		if (__va(bank->start) >= vmalloc_min ||
 		    __va(bank->start) < (void *)PAGE_OFFSET)
 			highmem = 1;
 
@@ -829,6 +826,9 @@
 			bank->size = newsize;
 		}
 #endif
+		if (!bank->highmem && bank->start + bank->size > lowmem_limit)
+			lowmem_limit = bank->start + bank->size;
+
 		j++;
 	}
 #ifdef CONFIG_HIGHMEM
@@ -852,6 +852,7 @@
 	}
 #endif
 	meminfo.nr_banks = j;
+	memblock_set_current_limit(lowmem_limit);
 }
 
 static inline void prepare_page_table(void)