Messages in this thread | | | Subject | Re: [PATCH v3 2/2] mm/page_alloc: fix memmap_init_zone pageblock alignment | From | Sudeep Holla <> | Date | Mon, 12 Mar 2018 17:11:16 +0000 |
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On 12/03/18 16:51, Daniel Vacek wrote: [...]
> > Hmm, does it step back perhaps? > > Can you check if below cures the boot hang? >
Yes it does fix the boot hang.
> --nX > > ~~~~ > neelx@metal:~/nX/src/linux$ git diff > diff --git a/mm/page_alloc.c b/mm/page_alloc.c > index 3d974cb2a1a1..415571120bbd 100644 > --- a/mm/page_alloc.c > +++ b/mm/page_alloc.c > @@ -5365,8 +5365,10 @@ void __meminit memmap_init_zone(unsigned long > size, int nid, unsigned long zone, > * the valid region but still depends on correct page > * metadata. > */ > - pfn = (memblock_next_valid_pfn(pfn, end_pfn) & > + unsigned long next_pfn; > + next_pfn = (memblock_next_valid_pfn(pfn, end_pfn) & > ~(pageblock_nr_pages-1)) - 1; > + pfn = max(next_pfn, pfn); > #endif > continue; > } > ~~~~ >
-- Regards, Sudeep
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