Messages in this thread | | | Date | Tue, 10 Dec 2013 13:29:52 -0800 | From | "H. Peter Anvin" <> | Subject | Re: [PATCH] mm,x86: fix span coverage in e820_all_mapped() |
| |
On 12/10/2013 01:06 PM, Yinghai Lu wrote: > On Tue, Dec 10, 2013 at 1:06 AM, Xishi Qiu <qiuxishi@huawei.com> wrote: >> In the following case, e820_all_mapped() will return 1. >> A < start < B-1 and B < end < C, it means <start, end> spans two regions. >> <start, end>: [start - end] >> e820 addr: ...[A - B-1][B - C]... > > should be [start, end) right? > and > [A, B),[B, C) >
What happens if it spans more than two regions?
-hpa
| |