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authorJeremy Fitzhardinge <jeremy@goop.org>2008-03-17 16:37:02 -0700
committerIngo Molnar <mingo@elte.hu>2008-04-24 23:57:31 +0200
commit2761fa0920756dc471d297843646a4a9bca6656f (patch)
tree2c558915fa11e55a3c15d50eeec55e4b4f5419ec /arch/x86
parent6944a9c8945212a0cc1de3589736d59ec542c539 (diff)
x86: add pud_alloc for 4-level pagetables
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>
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/kernel/paravirt.c2
-rw-r--r--arch/x86/mm/pgtable.c1
2 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c
index 362653da003..74f0c5ea2a0 100644
--- a/arch/x86/kernel/paravirt.c
+++ b/arch/x86/kernel/paravirt.c
@@ -369,8 +369,10 @@ struct pv_mmu_ops pv_mmu_ops = {
.alloc_pte = paravirt_nop,
.alloc_pmd = paravirt_nop,
.alloc_pmd_clone = paravirt_nop,
+ .alloc_pud = paravirt_nop,
.release_pte = paravirt_nop,
.release_pmd = paravirt_nop,
+ .release_pud = paravirt_nop,
.set_pte = native_set_pte,
.set_pte_at = native_set_pte_at,
diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c
index 1d44d6dd4c9..5accc08683c 100644
--- a/arch/x86/mm/pgtable.c
+++ b/arch/x86/mm/pgtable.c
@@ -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 */