aboutsummaryrefslogtreecommitdiffstats
path: root/mm
diff options
context:
space:
mode:
Diffstat (limited to 'mm')
-rw-r--r--mm/vmscan.c9
-rw-r--r--mm/vmstat.c1
2 files changed, 10 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,
865 if (PageDirty(page)) { 865 if (PageDirty(page)) {
866 nr_dirty++; 866 nr_dirty++;
867 867
868 /*
869 * Only kswapd can writeback filesystem pages to
870 * avoid risk of stack overflow
871 */
872 if (page_is_file_cache(page) && !current_is_kswapd()) {
873 inc_zone_page_state(page, NR_VMSCAN_WRITE_SKIP);
874 goto keep_locked;
875 }
876
868 if (references == PAGEREF_RECLAIM_CLEAN) 877 if (references == PAGEREF_RECLAIM_CLEAN)
869 goto keep_locked; 878 goto keep_locked;
870 if (!may_enter_fs) 879 if (!may_enter_fs)
diff --git a/mm/vmstat.c b/mm/vmstat.c
index d52b13d28e8f..210bd8ff3a6e 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -702,6 +702,7 @@ const char * const vmstat_text[] = {
702 "nr_unstable", 702 "nr_unstable",
703 "nr_bounce", 703 "nr_bounce",
704 "nr_vmscan_write", 704 "nr_vmscan_write",
705 "nr_vmscan_write_skip",
705 "nr_writeback_temp", 706 "nr_writeback_temp",
706 "nr_isolated_anon", 707 "nr_isolated_anon",
707 "nr_isolated_file", 708 "nr_isolated_file",