Subject: [PATCH 1/7] Add various hugetlb arm high level hooks

From: [email-masked] (Catalin Marinas)
Date: Wed, 29 Feb 2012 15:38:15 +0000

On Wed, Feb 29, 2012 at 11:28:30AM +0000, bill4carson wrote:
> On 2012?02?29? 18:32, Catalin Marinas wrote:
> > On Mon, Feb 13, 2012 at 09:44:22AM +0000, Bill Carson wrote:
> >> +static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
> >> +					   unsigned long addr, pte_t *ptep)
> >> +{
> >> +	pte_t old_pte = *ptep;
> >> +	set_huge_pte_at(mm, addr, ptep, pte_wrprotect(old_pte));
> >> +}
> >
> > You could use the generic ptep_set_wrprotect()
> 
> I'm a bit of confused about this.
> 
> generic ptep_set_wrprotect() can not set huge pte, that's why
> set_huge_pte_at is used instead here.

Ah, the generic one can only work with with LPAE where set_huge_pte_at()
is just a set_pte_at(). So this part looks good.

-- 
Catalin