pte_file_mksoft_dirty operates with argument passed by
a value and returns modified result thus need to assign
@ptfile here, otherwise it's nop operation which may lead
to lose of softdirty bit.
CC: Pavel Emelyanov <xemul@xxxxxxxxxxxxx>
CC: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Cyrill Gorcunov <gorcunov@xxxxxxxxxx>
---
mm/rmap.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Index: linux-2.6.git/mm/rmap.c
===================================================================
--- linux-2.6.git.orig/mm/rmap.c
+++ linux-2.6.git/mm/rmap.c
@@ -1339,7 +1339,7 @@ static int try_to_unmap_cluster(unsigned
if (page->index != linear_page_index(vma, address)) {
pte_t ptfile = pgoff_to_pte(page->index);
if (pte_soft_dirty(pteval))
- pte_file_mksoft_dirty(ptfile);
+ ptfile = pte_file_mksoft_dirty(ptfile);
set_pte_at(mm, address, pte, ptfile);
}
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@xxxxxxxxx. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>