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-rw-r--r--mm/page-writeback.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 1804f64ff43c..50055d2e4ea8 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -1667,6 +1667,8 @@ static void balance_dirty_pages(struct bdi_writeback *wb,
if (unlikely(!writeback_in_progress(wb)))
wb_start_background_writeback(wb);
+ mem_cgroup_flush_foreign(wb);
+
/*
* Calculate global domain's pos_ratio and select the
* global dtc by default.
@@ -2427,6 +2429,8 @@ void account_page_dirtied(struct page *page, struct address_space *mapping)
task_io_account_write(PAGE_SIZE);
current->nr_dirtied++;
this_cpu_inc(bdp_ratelimits);
+
+ mem_cgroup_track_foreign_dirty(page, wb);
}
}