paravirt: add an "mm" argument to alloc_pt
It's useful to know which mm is allocating a pagetable. Xen uses this
to determine whether the pagetable being added to is pinned or not.
Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com>
diff --git a/arch/i386/mm/init.c b/arch/i386/mm/init.c
index 7135946..f9b6a88 100644
--- a/arch/i386/mm/init.c
+++ b/arch/i386/mm/init.c
@@ -87,7 +87,7 @@
if (!(pmd_val(*pmd) & _PAGE_PRESENT)) {
pte_t *page_table = (pte_t *) alloc_bootmem_low_pages(PAGE_SIZE);
- paravirt_alloc_pt(__pa(page_table) >> PAGE_SHIFT);
+ paravirt_alloc_pt(&init_mm, __pa(page_table) >> PAGE_SHIFT);
set_pmd(pmd, __pmd(__pa(page_table) | _PAGE_TABLE));
BUG_ON(page_table != pte_offset_kernel(pmd, 0));
}