1 files changed, 9 insertions, 1 deletions

diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index 35b8316002f8..479515109e5b 100644
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c
@@ -338,7 +338,7 @@ static void __init bootmem_init(void)
                 if (end <= reserved_end)
                         continue;
 #ifdef CONFIG_BLK_DEV_INITRD
-                /* mapstart should be after initrd_end */
+                /* Skip zones before initrd and initrd itself */
                 if (initrd_end && end <= (unsigned long)PFN_UP(__pa(initrd_end)))
                         continue;
 #endif
@@ -371,6 +371,14 @@ static void __init bootmem_init(void)
                 max_low_pfn = PFN_DOWN(HIGHMEM_START);
         }
 
+#ifdef CONFIG_BLK_DEV_INITRD
+        /*
+         * mapstart should be after initrd_end
+         */
+        if (initrd_end)
+                mapstart = max(mapstart, (unsigned long)PFN_UP(__pa(initrd_end)));
+#endif
+
         /*
          * Initialize the boot-time allocator with low memory only.
          */