>>> On 17.09.14 at 16:07, <david.vra...@citrix.com> wrote:
> On 17/09/14 05:12, Juergen Gross wrote:
>> +static void __init xen_cleanmfnmap(unsigned long vaddr)
>> +{
>> + unsigned long va = vaddr & PMD_MASK;
>> + unsigned long pa;
>> + pgd_t *pgd = pgd_offset_k(va);
>> + pud_t *pud_page = pud_offset(pgd, 0);
>> + pud_t *pud;
>> + pmd_t *pmd;
>> + pte_t *pte;
>> + unsigned int i;
>> +
>> + set_pgd(pgd, __pgd(0));
>> + do {
>> + pud = pud_page + pud_index(va);
>> + if (pud_none(*pud)) {
>> + va += PUD_SIZE;
>> + } else if (pud_large(*pud)) {
>> + pa = pud_val(*pud) & PHYSICAL_PAGE_MASK;
>> + xen_free_ro_pages(pa, PUD_SIZE);
>> + va += PUD_SIZE;
>
> Are you missing a ClearPagePinned(..) here?
No, this is a 1Gb data page, not a page table one.
Jan
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