Re: exec error: BUG: Bad rss-counter

From: Linus Torvalds
Date: Tue Mar 30 2021 - 12:12:41 EST


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.

Linus