Re: [PATCH v2 2/2] mm: prevent gup_fast from racing with COW during fork

From: Ahmed S. Darwish
Date: Wed Nov 04 2020 - 14:54:31 EST


On Wed, Nov 04, 2020 at 10:38:57AM -0800, Linus Torvalds wrote:
...
>
> Looks reasonable to me.
>
> And can you add a few comments to the magic type macros, so that it's
> a lot more obvious what the end result was.
...
>
> I can see it when I really look, but when looking at the actual use,
> it's very non-obvious indeed.
>

ACK, will do.

> Linus

Thanks,

--
Ahmed S. Darwish
Linutronix GmbH