On Fri, May 16, 2014 at 10:38:00PM +0300, Kirill A. Shutemov wrote:
> On Fri, May 16, 2014 at 03:34:27PM +0900, Minchan Kim wrote:
> > > > +static inline unsigned long lazyfree_pmd_range(struct mmu_gather *tlb,
> > > > + struct vm_area_struct *vma, pud_t *pud,
> > > > + unsigned long addr, unsigned long end)
> > > > +{
> > > > + pmd_t *pmd;
> > > > + unsigned long next;
> > > > +
> > > > + pmd = pmd_offset(pud, addr);
> > > > + do {
> > > > + next = pmd_addr_end(addr, end);
> > > > + if (pmd_trans_huge(*pmd))
> > > > + split_huge_page_pmd(vma, addr, pmd);
> > >
> > > /* XXX */ as well? :)
> >
> > You meant huge page unit lazyfree rather than 4K page unit?
> > If so, I will add.
>
> Please, free huge page if range cover it.
Yeb, We could do further patches if current patch's design is done
from reviewers.
Thanks.
>
> --
> Kirill A. Shutemov
>
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Kind regards,
Minchan Kim
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