[MIPS] Initialize max_pfn again.

This was dropped by

commit a0d9e2d891e4cf54676c430da63bd4a17d1cdb80 (lmo)
commit b6f1f0dea1469e0c956eb89399916d60dd2a3808 (ko)
Author: Franck Bui-Huu <vagabon.xyz@gmail.com>
Date:   Fri Aug 11 17:51:48 2006 +0200

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index 39f3dfe134fb..c6a063b2a0d9 100644
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c
@@ -331,6 +331,7 @@ static void __init bootmem_init(void)
         /*
          * Determine low and high memory ranges
          */
+        max_pfn = max_low_pfn;
         if (max_low_pfn > PFN_DOWN(HIGHMEM_START)) {
 #ifdef CONFIG_HIGHMEM
                 highstart_pfn = PFN_DOWN(HIGHMEM_START);