1 files changed, 3 insertions, 3 deletions

diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index c016033ba78..3b22142c40d 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -1020,7 +1020,7 @@ static unsigned long __init alloc_up(unsigned long size, unsigned long align)
         }
         if (addr == 0)
                 return 0;
-        RELOC(alloc_bottom) = addr;
+        RELOC(alloc_bottom) = addr + size;
 
         prom_debug(" -> %x\n", addr);
         prom_debug("  alloc_bottom : %x\n", RELOC(alloc_bottom));
@@ -1834,7 +1834,7 @@ static void __init *make_room(unsigned long *mem_start, unsigned long *mem_end,
                 chunk = alloc_up(room, 0);
                 if (chunk == 0)
                         prom_panic("No memory for flatten_device_tree (claim failed)");
-                *mem_end = RELOC(alloc_top);
+                *mem_end = chunk + room;
         }
 
         ret = (void *)*mem_start;
@@ -2053,7 +2053,7 @@ static void __init flatten_device_tree(void)
         mem_start = (unsigned long)alloc_up(room, PAGE_SIZE);
         if (mem_start == 0)
                 prom_panic("Can't allocate initial device-tree chunk\n");
-        mem_end = RELOC(alloc_top);
+        mem_end = mem_start + room;
 
         /* Get root of tree */
         root = call_prom("peer", 1, 1, (phandle)0);