From: Xiubo Li <lixiubo@cmss.chinamobile.com>
To: linux-mm@kvack.org
Cc: lixiubo <lixiubo@cmss.chinamobile.com>
Subject: [PATCH] writeback: fix build warning about may be used uninitialized params
Date: Fri, 20 Nov 2015 18:22:22 +0800 [thread overview]
Message-ID: <1448014942-10245-1-git-send-email-lixiubo@cmss.chinamobile.com> (raw)
From: lixiubo <lixiubo@cmss.chinamobile.com>
warning: a??m_thresha?? may be used uninitialized in this function
[-Wmaybe-uninitialized]
warning: a??m_dirtya?? may be used uninitialized in this function
[-Wmaybe-uninitialized]
This may introduce some rask.
Signed-off-by: lixiubo <lixiubo@cmss.chinamobile.com>
---
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 2c90357..01ad30f 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -1542,7 +1542,7 @@ 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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reply other threads:[~2015-11-20 10:23 UTC|newest]
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