[PATCH v2 2/4] mm: kasan: Skip unpoisoning of user pages

Catalin Marinas catalin.marinas at arm.com
Thu Jun 16 10:40:40 PDT 2022


On Thu, Jun 16, 2022 at 09:42:10AM +0100, Vincenzo Frascino wrote:
> On 6/10/22 16:21, Catalin Marinas wrote:
> > diff --git a/mm/page_alloc.c b/mm/page_alloc.c
> > index e008a3df0485..f6ed240870bc 100644
> > --- a/mm/page_alloc.c
> > +++ b/mm/page_alloc.c
> > @@ -2397,6 +2397,7 @@ inline void post_alloc_hook(struct page *page, unsigned int order,
> >  	bool init = !want_init_on_free() && want_init_on_alloc(gfp_flags) &&
> >  			!should_skip_init(gfp_flags);
> >  	bool init_tags = init && (gfp_flags & __GFP_ZEROTAGS);
> > +	int i;
> >  
> 
> Nit: Since "i" is not used outside of the for loop context we could use the
> contract form "for (int i = 0; ..." which is allowed by C11.

Oh yeah, Linux moved to C11 in 5.18. But it looks better to be
consistent with the other for loop in this file.

> Reviewed-by: Vincenzo Frascino <vincenzo.frascino at arm.com>

Thanks.

-- 
Catalin



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