1 files changed, 7 insertions, 2 deletions

diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c
index b7ebc4fa89bc..3b3ffd439cd7 100644
--- a/arch/mips/mm/init.c
+++ b/arch/mips/mm/init.c
@@ -304,9 +304,14 @@ int page_is_ram(unsigned long pagenr)
         for (i = 0; i < boot_mem_map.nr_map; i++) {
                 unsigned long addr, end;
 
-                if (boot_mem_map.map[i].type != BOOT_MEM_RAM)
+                switch (boot_mem_map.map[i].type) {
+                case BOOT_MEM_RAM:
+                case BOOT_MEM_INIT_RAM:
+                        break;
+                default:
                         /* not usable memory */
                         continue;
+                }
 
                 addr = PFN_UP(boot_mem_map.map[i].addr);
                 end = PFN_DOWN(boot_mem_map.map[i].addr +
@@ -379,7 +384,7 @@ void __init mem_init(void)
 
         reservedpages = ram = 0;
         for (tmp = 0; tmp < max_low_pfn; tmp++)
-                if (page_is_ram(tmp)) {
+                if (page_is_ram(tmp) && pfn_valid(tmp)) {
                         ram++;
                         if (PageReserved(pfn_to_page(tmp)))
                                 reservedpages++;