Messages in this thread | | | Date | Wed, 11 Dec 2013 11:55:15 +0800 | From | Xishi Qiu <> | Subject | Re: [PATCH] mm,x86: fix span coverage in e820_all_mapped() |
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On 2013/12/11 10:55, H. Peter Anvin wrote:
> On 12/10/2013 05:35 PM, Xishi Qiu wrote: >> >> In this case, old code is right, but I discuss in another one that >> you wrote above. >> > > So is there a problem or not? I have lost track... >
I think there is a problem. e.g. [start, end)=[8, 12), and [A, B)=[0, 10), [B, C)=[10,20), then e820_all_mapped() will return 1, it spans two regions.
Thanks, Xishi Qiu
> -hpa > > > >
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