Re: [PATCH] arm64, numa: Add cpu_to_node() implementation.

From: Robert Richter
Date: Tue Sep 20 2016 - 09:21:32 EST


On 20.09.16 19:32:34, Hanjun Guo wrote:
> On 09/20/2016 06:43 PM, Robert Richter wrote:

> >Unfortunately either your nor my code does fix the BUG_ON() I see with
> >the numa kernel:
> >
> > kernel BUG at mm/page_alloc.c:1848!
> >
> >See below for the core dump. It looks like this happens due to moving
> >a mem block where first and last page are mapped to different numa
> >nodes, thus, triggering the BUG_ON().
>
> Didn't triggered it on our NUMA hardware, could you provide your
> config then we can have a try?

Config attached. Other configs with an initrd fail too.

-Robert

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