diff options
| author | Yinghai Lu <yinghai@kernel.org> | 2010-01-22 03:21:04 (GMT) |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2010-02-02 00:58:17 (GMT) |
| commit | 1b5576e69a5fe168c08a159685ac366316ac9bbc (patch) | |
| tree | 0f5948f32578e1b74edb86ff8008ef42faa7f32f /arch/x86/kernel/e820.c | |
| parent | 53df8fdc15fb646b0219e43c989c2cdab1ab100c (diff) | |
| download | linux-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.c | 8 |
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; |