Re: [BUG linux-next] Kernel panic found with linux-next-20160414

[Vlastimil Babka]

On 04/27/2016 10:14 AM, Hugh Dickins wrote:
> It's rather horrible that compaction.c uses functions in page_alloc.c
> which skip doing some of the things we expect to be done: the non-debug
> preparation tends to get noticed, but the debug options overlooked.
> We can expect more problems of this kind in future: someone will add
> yet another debug prep line in page_alloc.c, and at first nobody will
> notice that it's also needed in compaction.c.

Point taken, I'll try to come up with more maintainable solution next 
time I attempt the isolate_freepages_direct() approach. Sorry about the 
troubles.