badpage: remove vma from page_remove_rmap

Remove page_remove_rmap()'s vma arg, which was only for the Eeek message.
And remove the BUG_ON(page_mapcount(page) == 0) from CONFIG_DEBUG_VM's
page_dup_rmap(): we're trying to be more resilient about that than BUGs.

Signed-off-by: Hugh Dickins <hugh@veritas.com>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: Christoph Lameter <cl@linux-foundation.org>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/mm/memory.c b/mm/memory.c
index b273cc12b15d..0f9abbaf618c 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -798,7 +798,7 @@ static unsigned long zap_pte_range(struct mmu_gather *tlb,
                                         mark_page_accessed(page);
                                 file_rss--;
                         }
-                        page_remove_rmap(page, vma);
+                        page_remove_rmap(page);
                         if (unlikely(page_mapcount(page) < 0))
                                 print_bad_pte(vma, addr, ptent, page);
                         tlb_remove_page(tlb, page);
@@ -2023,7 +2023,7 @@ gotten:
                          * mapcount is visible. So transitively, TLBs to
                          * old page will be flushed before it can be reused.
                          */
-                        page_remove_rmap(old_page, vma);
+                        page_remove_rmap(old_page);
                 }
 
                 /* Free the old page.. */