Variables m_thresh and m_dirty in function balance_dirty_pages() may use
uninitialized. GCC throws a warning on it. Fixed by assigned to 0 as
initial value.
Signed-off-by: Liao Tonglang <liaotonglang@xxxxxxxxx>
---
mm/page-writeback.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 0a931cd..288db45 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -1534,7 +1534,7 @@ static void balance_dirty_pages(struct address_space *mapping,
for (;;) {
unsigned long now = jiffies;
unsigned long dirty, thresh, bg_thresh;
- unsigned long m_dirty, m_thresh, m_bg_thresh;
+ unsigned long m_dirty = 0, m_thresh = 0, m_bg_thresh;
/*
* Unstable writes are a feature of certain networked
--
1.8.3.1
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