Messages in this thread |  | | | Subject | Re: [PATCH 4/4] Hugetlb: Copy on Write support | | From | Rohit Seth <> | | Date | Wed, 09 Nov 2005 17:52:44 -0800 |
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On Wed, 2005-11-09 at 17:39 -0600, Adam Litke wrote:
> > +#define huge_ptep_set_wrprotect(mm, addr, ptep) \ > + ptep_set_wrprotect(mm, addr, ptep) > +static inline void set_huge_ptep_writable(struct vm_area_struct *vma, > + unsigned long address, pte_t *ptep) > +{ > + pte_t entry; > + > + entry = pte_mkwrite(pte_mkdirty(*ptep)); > + ptep_set_access_flags(vma, address, ptep, entry, 1); > + update_mmu_cache(vma, address, entry); > +}
lazy_mmu_prot_update will need to called here to make caches coherent for some archs.
-rohit
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