This whole function is... interesting. Change the wakeup call
to the flusher threads to pass in nr_pages == 0, instead of
some random number of pages. This matches more closely what
similar cases do for memory shortage/reclaim.
Signed-off-by: Jens Axboe <axboe@xxxxxxxxx>
---
fs/buffer.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/buffer.c b/fs/buffer.c
index 170df856bdb9..9471a445e370 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -260,7 +260,7 @@ static void free_more_memory(void)
struct zoneref *z;
int nid;
- wakeup_flusher_threads(1024, WB_REASON_FREE_MORE_MEM);
+ wakeup_flusher_threads(0, WB_REASON_FREE_MORE_MEM);
yield();
for_each_online_node(nid) {
--
2.7.4
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