[PATCH] Fix missing pfn variables caused by vm changes

I image this showed up because of "unused var..." when the changes
occured, because flush_cache_page() is a noop in most places.  This
showed up for me on parisc however, where flush_cache_page() is a real
function.

Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/mm/memory.c b/mm/memory.c
index 6c1eac92a316..74839b3a3999 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -1345,7 +1345,7 @@ static int do_wp_page(struct mm_struct *mm, struct vm_area_struct *vma,
                 int reuse = can_share_swap_page(old_page);
                 unlock_page(old_page);
                 if (reuse) {
-                        flush_cache_page(vma, address, pfn);
+                        flush_cache_page(vma, address, pte_pfn(orig_pte));
                         entry = pte_mkyoung(orig_pte);
                         entry = maybe_mkwrite(pte_mkdirty(entry), vma);
                         ptep_set_access_flags(vma, address, page_table, entry, 1);
@@ -1389,7 +1389,7 @@ gotten:
                         }
                 } else
                         inc_mm_counter(mm, anon_rss);
-                flush_cache_page(vma, address, pfn);
+                flush_cache_page(vma, address, pte_pfn(orig_pte));
                 entry = mk_pte(new_page, vma->vm_page_prot);
                 entry = maybe_mkwrite(pte_mkdirty(entry), vma);
                 ptep_establish(vma, address, page_table, entry);