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| author | Jeremy Fitzhardinge | 2008-03-18 00:37:02 +0100 |
|---|---|---|
| committer | Ingo Molnar | 2008-04-24 23:57:31 +0200 |
| commit | 2761fa0920756dc471d297843646a4a9bca6656f (patch) | |
| tree | 2c558915fa11e55a3c15d50eeec55e4b4f5419ec /arch | |
| parent | x86: rename paravirt_alloc_pt etc after the pagetable structure (diff) | |
| download | kernel-qcow2-linux-2761fa0920756dc471d297843646a4a9bca6656f.tar.gz kernel-qcow2-linux-2761fa0920756dc471d297843646a4a9bca6656f.tar.xz kernel-qcow2-linux-2761fa0920756dc471d297843646a4a9bca6656f.zip | |
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')
| -rw-r--r-- | arch/x86/kernel/paravirt.c | 2 | ||||
| -rw-r--r-- | arch/x86/mm/pgtable.c | 1 |
2 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c index 362653da003f..74f0c5ea2a03 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 1d44d6dd4c9f..5accc08683c7 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 */ |