On Thu 14-12-17 16:44:26, Anshuman Khandual wrote: > diff --git a/mm/mprotect.c b/mm/mprotect.c > index ec39f73..43c29fa 100644 > --- a/mm/mprotect.c > +++ b/mm/mprotect.c > @@ -196,6 +196,7 @@ static inline unsigned long change_pmd_range(struct > vm_area_struct *vma, > this_pages = change_pte_range(vma, pmd, addr, next, newprot, > dirty_accountable, prot_numa); > pages += this_pages; > + cond_resched(); > } while (pmd++, addr = next, addr != end); > > if (mni_start)
this is not exactly what I meant. See how change_huge_pmd does continue. That's why I mentioned zap_pmd_range which does goto next... -- Michal Hocko SUSE Labs
