X-Git-Url: http://git.samba.org/samba.git/?p=sfrench%2Fcifs-2.6.git;a=blobdiff_plain;f=mm%2Frmap.c;h=a7d0f5482634d00724d91ebcf42cba4073cab20e;hp=4d152a6d3a89a5cf7a12ac22235bbe1282041583;hb=ad8c2ee801ad7a52d919b478d9b2c7b39a72d295;hpb=51b1bd2ace1595b72956224deda349efa880b693

diff --git a/mm/rmap.c b/mm/rmap.c
index 4d152a6d3a89..a7d0f5482634 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -829,6 +829,17 @@ static void __page_check_anon_rmap(struct page *page,
  */
 void page_add_anon_rmap(struct page *page,
 	struct vm_area_struct *vma, unsigned long address)
+{
+	do_page_add_anon_rmap(page, vma, address, 0);
+}
+
+/*
+ * Special version of the above for do_swap_page, which often runs
+ * into pages that are exclusively owned by the current process.
+ * Everybody else should continue to use page_add_anon_rmap above.
+ */
+void do_page_add_anon_rmap(struct page *page,
+	struct vm_area_struct *vma, unsigned long address, int exclusive)
 {
 	int first = atomic_inc_and_test(&page->_mapcount);
 	if (first)
@@ -839,7 +850,7 @@ void page_add_anon_rmap(struct page *page,
 	VM_BUG_ON(!PageLocked(page));
 	VM_BUG_ON(address < vma->vm_start || address >= vma->vm_end);
 	if (first)
-		__page_set_anon_rmap(page, vma, address, 0);
+		__page_set_anon_rmap(page, vma, address, exclusive);
 	else
 		__page_check_anon_rmap(page, vma, address);
 }