[POWERPC] Use lowmem_end_addr to limit lmb allocations on ppc32
Now that we have a proper variable that is the address of the top
of low memory we can use it to limit the lmb allocations.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/include/asm-powerpc/lmb.h b/include/asm-powerpc/lmb.h
index 028184b..6f5fdf0 100644
--- a/include/asm-powerpc/lmb.h
+++ b/include/asm-powerpc/lmb.h
@@ -6,8 +6,8 @@
#define LMB_DBG(fmt...) udbg_printf(fmt)
#ifdef CONFIG_PPC32
-extern unsigned long __max_low_memory;
-#define LMB_REAL_LIMIT __max_low_memory
+extern phys_addr_t lowmem_end_addr;
+#define LMB_REAL_LIMIT lowmem_end_addr
#else
#define LMB_REAL_LIMIT 0
#endif