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-rw-r--r--include/linux/page-flags.h3
-rw-r--r--mm/rmap.c3
2 files changed, 2 insertions, 4 deletions
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
index 54590a9a103..25aaccdb2f2 100644
--- a/include/linux/page-flags.h
+++ b/include/linux/page-flags.h
@@ -239,9 +239,6 @@ static inline void __SetPageUptodate(struct page *page)
{
smp_wmb();
__set_bit(PG_uptodate, &(page)->flags);
-#ifdef CONFIG_S390
- page_clear_dirty(page);
-#endif
}
static inline void SetPageUptodate(struct page *page)
diff --git a/mm/rmap.c b/mm/rmap.c
index 99bc3f9cd79..94a5246a3f9 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -667,7 +667,8 @@ void page_remove_rmap(struct page *page, struct vm_area_struct *vma)
* Leaving it set also helps swapoff to reinstate ptes
* faster for those pages still in swapcache.
*/
- if (page_test_dirty(page)) {
+ if ((!PageAnon(page) || PageSwapCache(page)) &&
+ page_test_dirty(page)) {
page_clear_dirty(page);
set_page_dirty(page);
}