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-rw-r--r--mm/page-writeback.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 1c87430b7a2..b9f4c6f1be8 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -244,6 +244,16 @@ static void balance_dirty_pages(struct address_space *mapping)
pdflush_operation(background_writeout, 0);
}
+void set_page_dirty_balance(struct page *page)
+{
+ if (set_page_dirty(page)) {
+ struct address_space *mapping = page_mapping(page);
+
+ if (mapping)
+ balance_dirty_pages_ratelimited(mapping);
+ }
+}
+
/**
* balance_dirty_pages_ratelimited_nr - balance dirty memory state
* @mapping: address_space which was dirtied