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x86: add pud_alloc for 4-level pagetables

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Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Jeremy Fitzhardinge
2008-03-17 16:37:02 -07:00
committed by Ingo Molnar
parent 6944a9c894
commit 2761fa0920
4 changed files with 17 additions and 0 deletions
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arch/x86/mm/pgtable.c
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@@ -38,6 +38,7 @@ void __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd)
#if PAGETABLE_LEVELS > 3
void __pud_free_tlb(struct mmu_gather *tlb, pud_t *pud)
{
paravirt_release_pud(__pa(pud) >> PAGE_SHIFT);
tlb_remove_page(tlb, virt_to_page(pud));
}
#endif /* PAGETABLE_LEVELS > 3 */