diff options
Diffstat (limited to 'arch/x86/kernel/vmi_32.c')
-rw-r--r-- | arch/x86/kernel/vmi_32.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/arch/x86/kernel/vmi_32.c b/arch/x86/kernel/vmi_32.c index 23206ba16874..bef58b4982db 100644 --- a/arch/x86/kernel/vmi_32.c +++ b/arch/x86/kernel/vmi_32.c | |||
@@ -321,6 +321,16 @@ static void vmi_release_pmd(unsigned long pfn) | |||
321 | } | 321 | } |
322 | 322 | ||
323 | /* | 323 | /* |
324 | * We use the pgd_free hook for releasing the pgd page: | ||
325 | */ | ||
326 | static void vmi_pgd_free(struct mm_struct *mm, pgd_t *pgd) | ||
327 | { | ||
328 | unsigned long pfn = __pa(pgd) >> PAGE_SHIFT; | ||
329 | |||
330 | vmi_ops.release_page(pfn, VMI_PAGE_L2); | ||
331 | } | ||
332 | |||
333 | /* | ||
324 | * Helper macros for MMU update flags. We can defer updates until a flush | 334 | * Helper macros for MMU update flags. We can defer updates until a flush |
325 | * or page invalidation only if the update is to the current address space | 335 | * or page invalidation only if the update is to the current address space |
326 | * (otherwise, there is no flush). We must check against init_mm, since | 336 | * (otherwise, there is no flush). We must check against init_mm, since |
@@ -762,6 +772,7 @@ static inline int __init activate_vmi(void) | |||
762 | if (vmi_ops.release_page) { | 772 | if (vmi_ops.release_page) { |
763 | pv_mmu_ops.release_pte = vmi_release_pte; | 773 | pv_mmu_ops.release_pte = vmi_release_pte; |
764 | pv_mmu_ops.release_pmd = vmi_release_pmd; | 774 | pv_mmu_ops.release_pmd = vmi_release_pmd; |
775 | pv_mmu_ops.pgd_free = vmi_pgd_free; | ||
765 | } | 776 | } |
766 | 777 | ||
767 | /* Set linear is needed in all cases */ | 778 | /* Set linear is needed in all cases */ |
@@ -858,7 +869,7 @@ void __init vmi_init(void) | |||
858 | #endif | 869 | #endif |
859 | } | 870 | } |
860 | 871 | ||
861 | void vmi_activate(void) | 872 | void __init vmi_activate(void) |
862 | { | 873 | { |
863 | unsigned long flags; | 874 | unsigned long flags; |
864 | 875 | ||