x86: add mm parameter to paravirt_alloc_pd

Add mm to paravirt_alloc_pd, partly to make it consistent with
paravirt_alloc_pt, and because later changes will make use of it.

Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 3 insertions, 1 deletions

diff --git a/arch/x86/mm/pgtable_32.c b/arch/x86/mm/pgtable_32.c
index be61a1d845a4..f85ee44720d2 100644
--- a/arch/x86/mm/pgtable_32.c
+++ b/arch/x86/mm/pgtable_32.c
@@ -330,13 +330,15 @@ pgd_t *pgd_alloc(struct mm_struct *mm)
         if (PTRS_PER_PMD == 1 || !pgd)
                 return pgd;
 
+        mm->pgd = pgd;          /* so that alloc_pd can use it */
+
         for (i = 0; i < UNSHARED_PTRS_PER_PGD; ++i) {
                 pmd_t *pmd = pmd_cache_alloc(i);
 
                 if (!pmd)
                         goto out_oom;
 
-                paravirt_alloc_pd(__pa(pmd) >> PAGE_SHIFT);
+                paravirt_alloc_pd(mm, __pa(pmd) >> PAGE_SHIFT);
                 set_pgd(&pgd[i], __pgd(1 + __pa(pmd)));
         }
         return pgd;