diff options
Diffstat (limited to 'arch/x86/kernel/vmi_32.c')
| -rw-r--r-- | arch/x86/kernel/vmi_32.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/x86/kernel/vmi_32.c b/arch/x86/kernel/vmi_32.c index f370d38ec8d0..c4e6cc97c890 100644 --- a/arch/x86/kernel/vmi_32.c +++ b/arch/x86/kernel/vmi_32.c @@ -430,6 +430,16 @@ static void vmi_release_pmd(u32 pfn) } /* + * We use the pgd_free hook for releasing the pgd page: + */ +static void vmi_pgd_free(struct mm_struct *mm, pgd_t *pgd) +{ + unsigned long pfn = __pa(pgd) >> PAGE_SHIFT; + + vmi_ops.release_page(pfn, VMI_PAGE_L2); +} + +/* * Helper macros for MMU update flags. We can defer updates until a flush * or page invalidation only if the update is to the current address space * (otherwise, there is no flush). We must check against init_mm, since @@ -881,6 +891,7 @@ static inline int __init activate_vmi(void) if (vmi_ops.release_page) { pv_mmu_ops.release_pte = vmi_release_pte; pv_mmu_ops.release_pmd = vmi_release_pmd; + pv_mmu_ops.pgd_free = vmi_pgd_free; } /* Set linear is needed in all cases */ |