Merge commit 'origin/master'

Manual merge of:

	arch/powerpc/Kconfig
	arch/powerpc/kernel/stacktrace.c
	arch/powerpc/mm/slice.c
	arch/ppc/kernel/smp.c

1 files changed, 3 insertions, 0 deletions

diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index b38f700825fc..94c6d8988ab3 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -960,6 +960,9 @@ retry:
         }
         if (wbc->range_cyclic || (range_whole && wbc->nr_to_write > 0))
                 mapping->writeback_index = index;
+
+        if (wbc->range_cont)
+                wbc->range_start = index << PAGE_CACHE_SHIFT;
         return ret;
 }
 EXPORT_SYMBOL(write_cache_pages);