summaryrefslogtreecommitdiff
path: root/arch/x86/kernel/e820.c
diff options
context:
space:
mode:
authorYinghai Lu <yinghai@kernel.org>2010-01-22 03:21:04 (GMT)
committerH. Peter Anvin <hpa@zytor.com>2010-02-02 00:58:17 (GMT)
commit1b5576e69a5fe168c08a159685ac366316ac9bbc (patch)
tree0f5948f32578e1b74edb86ff8008ef42faa7f32f /arch/x86/kernel/e820.c
parent53df8fdc15fb646b0219e43c989c2cdab1ab100c (diff)
downloadlinux-1b5576e69a5fe168c08a159685ac366316ac9bbc.tar.xz
x86: Remove BIOS data range from e820
In preparation for moving to the generic page_is_ram(), make explicit what we expect to be reserved and not reserved. Tested-by: Wu Fengguang <fengguang.wu@intel.com> Signed-off-by: Yinghai Lu <yinghai@kernel.org> LKML-Reference: <20100122033004.335813103@intel.com> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/x86/kernel/e820.c')
-rw-r--r--arch/x86/kernel/e820.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c
index d17d482..230687b 100644
--- a/arch/x86/kernel/e820.c
+++ b/arch/x86/kernel/e820.c
@@ -517,11 +517,19 @@ u64 __init e820_remove_range(u64 start, u64 size, unsigned old_type,
int checktype)
{
int i;
+ u64 end;
u64 real_removed_size = 0;
if (size > (ULLONG_MAX - start))
size = ULLONG_MAX - start;
+ end = start + size;
+ printk(KERN_DEBUG "e820 remove range: %016Lx - %016Lx ",
+ (unsigned long long) start,
+ (unsigned long long) end);
+ e820_print_type(old_type);
+ printk(KERN_CONT "\n");
+
for (i = 0; i < e820.nr_map; i++) {
struct e820entry *ei = &e820.map[i];
u64 final_start, final_end;