Re: [PATCHv2, RFC 07/30] thp, mm: introducemapping_can_have_hugepages() predicate

[Kirill A. Shutemov]

Dave Hansen wrote:
> On 03/14/2013 10:50 AM, Kirill A. Shutemov wrote:
> > +static inline bool mapping_can_have_hugepages(struct address_space *m)
> > +{
> > +	if (IS_ENABLED(CONFIG_TRANSPARENT_HUGEPAGE)) {
> > +		gfp_t gfp_mask = mapping_gfp_mask(m);
> > +		return !!(gfp_mask & __GFP_COMP);
> > +	}
> > +
> > +	return false;
> > +}
> 
> I did a quick search in all your patches and don't see __GFP_COMP
> getting _set_ anywhere.  Am I missing something?

__GFP_COMP is part of GFP_TRANSHUGE. We set it for ramfs in patch 20/30.

-- 
 Kirill A. Shutemov
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