Re: [syzbot] BUG: unable to handle kernel paging request in alloc_huge_page

[Matthew Wilcox]

On Sat, Aug 14, 2021 at 03:06:52PM -0700, Andrew Morton wrote:
> On Sat, 14 Aug 2021 04:07:23 -0700 syzbot <syzbot+57876cfc2dca0c6b2e6a@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
> > HEAD commit:    92d00774360d Add linux-next specific files for 20210810
> > RIP: 0010:__list_add include/linux/list.h:71 [inline]
> > RIP: 0010:list_add include/linux/list.h:86 [inline]
> > RIP: 0010:alloc_huge_page+0xdcb/0x11b0 mm/hugetlb.c:2821
> 
> That appears to be
> 
> 		list_add(&page->lru, &h->hugepage_activelist);
> 
> I'm suspecting Mike's surplus page changes?

Is this not the same as
https://lore.kernel.org/linux-mm/846c4502-3332-0d25-87f5-cb3b71afc38f@xxxxxxxxxxx/
which is already patched in your tree?