diff options
| author | Yinghai Lu <yhlu.kernel.send@gmail.com> | 2008-04-29 20:25:16 -0700 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2008-05-25 10:55:10 +0200 |
| commit | 8a374026c265476b1acfc3c186a66d59ebdb2cda (patch) | |
| tree | 85ae71ca6aa6851934d1880373bc8b9fa884e5ca /arch/x86/kernel/e820_64.c | |
| parent | 42651f15824d003e8357693ab72c4dbb3e280836 (diff) | |
x86: fix trimming e820 with MTRR holes. - fix
v2: process hole then end_pfn
fix update_memory_range with whole cover comparing
Signed-off-by: Yinghai Lu <yinghai.lu@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/kernel/e820_64.c')
| -rw-r--r-- | arch/x86/kernel/e820_64.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86/kernel/e820_64.c b/arch/x86/kernel/e820_64.c index 848b2cd2d1dd..c45b4dea4055 100644 --- a/arch/x86/kernel/e820_64.c +++ b/arch/x86/kernel/e820_64.c @@ -843,7 +843,8 @@ u64 __init update_memory_range(u64 start, u64 size, unsigned old_type, if (ei->type != old_type) continue; /* totally covered? */ - if (ei->addr >= start && ei->size <= size) { + if (ei->addr >= start && + (ei->addr + ei->size) <= (start + size)) { ei->type = new_type; real_updated_size += ei->size; continue; |