1 files changed, 9 insertions, 0 deletions

diff --git a/mm/vmscan.c b/mm/vmscan.c
index d29b2bdb9e03..10f9c59aed55 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -865,6 +865,15 @@ static unsigned long shrink_page_list(struct list_head *page_list,
                 if (PageDirty(page)) {
                         nr_dirty++;
 
+                        /*
+                         * Only kswapd can writeback filesystem pages to
+                         * avoid risk of stack overflow
+                         */
+                        if (page_is_file_cache(page) && !current_is_kswapd()) {
+                                inc_zone_page_state(page, NR_VMSCAN_WRITE_SKIP);
+                                goto keep_locked;
+                        }
+
                         if (references == PAGEREF_RECLAIM_CLEAN)
                                 goto keep_locked;
                         if (!may_enter_fs)