Re: [PATCH] mm: remove __GFP_NOFAIL is deprecated comment

From: Michal Hocko
Date: Thu Feb 25 2016 - 08:48:57 EST


On Thu 25-02-16 13:36:11, Nikolay Borisov wrote:
[...]
> > + /*
> > + * We most definitely don't want callers attempting to
> > + * allocate greater than order-1 page units with __GFP_NOFAIL.
> > + */
> > + WARN_ON_ONCE(unlikely(gfp_flags & __GFP_NOFAIL) && (order > 1));
>
> WARN_ON_ONCE already includes an unlikely in its definition:
> http://lxr.free-electrons.com/source/include/asm-generic/bug.h#L109

OK, I just wanted to keep the condition untouched but you are right the
unlikely can be removed.

> Reviewed-by: Nikolay Borisov <kernel@xxxxxxxx>

Thanks!
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