From: Andrew Morton <akpm@linux-foundation.org>
Date: Thu, 2 Apr 2009 23:44:38 +0000 (-0700)
Subject: x86: fix is_io_mapping_possible() build warning on i386 allnoconfig
X-Git-Tag: v2.6.30-rc1~211^2~2
X-Git-Url: http://ftp.safe.ca/?a=commitdiff_plain;h=6a491e2e3e52a64c6d88a192c56499d931842ac5;p=safe%2Fjmp%2Flinux-2.6

x86: fix is_io_mapping_possible() build warning on i386 allnoconfig

i386 allnoconfig:

 arch/x86/mm/iomap_32.c: In function 'is_io_mapping_possible':
 arch/x86/mm/iomap_32.c:27: warning: comparison is always false due to limited range of data type

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

diff --git a/arch/x86/mm/iomap_32.c b/arch/x86/mm/iomap_32.c
index e331f77..8056545 100644
--- a/arch/x86/mm/iomap_32.c
+++ b/arch/x86/mm/iomap_32.c
@@ -23,7 +23,7 @@
 
 int is_io_mapping_possible(resource_size_t base, unsigned long size)
 {
-#ifndef CONFIG_X86_PAE
+#if !defined(CONFIG_X86_PAE) && defined(CONFIG_PHYS_ADDR_T_64BIT)
 	/* There is no way to map greater than 1 << 32 address without PAE */
 	if (base + size > 0x100000000ULL)
 		return 0;