Re: exec error: BUG: Bad rss-counter

From: Ilya Lipnitskiy
Date: Tue Mar 30 2021 - 12:36:56 EST


On Tue, Mar 30, 2021 at 9:11 AM Linus Torvalds
<torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:
>
> On Mon, Mar 29, 2021 at 9:56 PM Zhou Yanjie <zhouyanjie@xxxxxxxxxxxxxx> wrote:
> >
> > On 2021/3/29 上午10:48, Ilya Lipnitskiy wrote:
> > >
> > > Try:
> > > diff --git a/mm/memory.c b/mm/memory.c
> > > index c8e357627318..1fd753245369 100644
> > > --- a/mm/memory.c
> > > +++ b/mm/memory.c
> > > @@ -166,7 +166,7 @@ static int __init init_zero_pfn(void)
> > > zero_pfn = page_to_pfn(ZERO_PAGE(0));
> > > return 0;
> > > }
> > > -core_initcall(init_zero_pfn);
> > > +early_initcall(init_zero_pfn);
> >
> > It works, thanks!
>
> Looks good to me - init_zero_pfn() can be called early, because it
> depends on paging_init() will should have happened long before any
> initcalls in setup_arch().
>
> Ilya, mind sending a signed-off version with a nice commit message,
> and I'll apply it.
Sorry, I could have done better linking it to this thread - I actually
did submit it recently - please see
https://lkml.kernel.org/r/20210330044208.8305-1-ilya.lipnitskiy@xxxxxxxxx

Ilya