[Xen-changelog] [xen-unstable] x86: Use 64-bit arithmetic in reserve_in_boot_e820().

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User kfraser@xxxxxxxxxxxxxxxxxxxxx
# Date 1182348512 -3600
# Node ID 499bab040137bcd78c81b3f8255ffdf93108c146
# Parent  3624ba0caccc49011f73de90272a3b28e8a9ef43
x86: Use 64-bit arithmetic in reserve_in_boot_e820().
Signed-off-by: Jan Beulich <jbeulich@xxxxxxxxxx>
Signed-off-by: Keir Fraser <keir@xxxxxxxxxxxxx>
---
 xen/arch/x86/setup.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff -r 3624ba0caccc -r 499bab040137 xen/arch/x86/setup.c
--- a/xen/arch/x86/setup.c      Wed Jun 20 15:06:17 2007 +0100
+++ b/xen/arch/x86/setup.c      Wed Jun 20 15:08:32 2007 +0100
@@ -295,14 +295,14 @@ static struct e820map __initdata boot_e8
 /* Reserve area (@s,@e) in the temporary bootstrap e820 map. */
 static void __init reserve_in_boot_e820(unsigned long s, unsigned long e)
 {
-    unsigned long rs, re;
+    uint64_t rs, re;
     int i;
 
     for ( i = 0; i < boot_e820.nr_map; i++ )
     {
         /* Have we found the e820 region that includes the specified range? */
         rs = boot_e820.map[i].addr;
-        re = boot_e820.map[i].addr + boot_e820.map[i].size;
+        re = rs + boot_e820.map[i].size;
         if ( (s < rs) || (e > re) )
             continue;
 

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