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>
diff --git a/include/asm-x86/paravirt.h b/include/asm-x86/paravirt.h
index c4480b9..0f13b94 100644
--- a/include/asm-x86/paravirt.h
+++ b/include/asm-x86/paravirt.h
@@ -223,8 +223,10 @@
void (*alloc_pte)(struct mm_struct *mm, u32 pfn);
void (*alloc_pmd)(struct mm_struct *mm, u32 pfn);
void (*alloc_pmd_clone)(u32 pfn, u32 clonepfn, u32 start, u32 count);
+ void (*alloc_pud)(struct mm_struct *mm, u32 pfn);
void (*release_pte)(u32 pfn);
void (*release_pmd)(u32 pfn);
+ void (*release_pud)(u32 pfn);
/* Pagetable manipulation functions */
void (*set_pte)(pte_t *ptep, pte_t pteval);
@@ -934,6 +936,15 @@
PVOP_VCALL1(pv_mmu_ops.release_pmd, pfn);
}
+static inline void paravirt_alloc_pud(struct mm_struct *mm, unsigned pfn)
+{
+ PVOP_VCALL2(pv_mmu_ops.alloc_pud, mm, pfn);
+}
+static inline void paravirt_release_pud(unsigned pfn)
+{
+ PVOP_VCALL1(pv_mmu_ops.release_pud, pfn);
+}
+
#ifdef CONFIG_HIGHPTE
static inline void *kmap_atomic_pte(struct page *page, enum km_type type)
{
