Merge branch 'devel' of git://git.kernel.org/pub/scm/linux/kernel/git/ycmiao/pxa...

[linux-2.6-omap-h63xx.git] / arch / x86 / kernel / vmi_32.c

diff --git a/arch/x86/kernel/vmi_32.c b/arch/x86/kernel/vmi_32.c
index 1d3302cc2ddf65cc5d03d72940726345e03d51c7..bef58b4982dbc449696b624e24318cdf5b773926 100644 (file)
--- a/arch/x86/kernel/vmi_32.c
+++ b/arch/x86/kernel/vmi_32.c
@@ -320,6 +320,16 @@ static void vmi_release_pmd(unsigned long pfn)
        vmi_ops.release_page(pfn, VMI_PAGE_L2);
 }
 
+/*
+ * 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
@@ -762,6 +772,7 @@ 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 */