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Message-Id: <1444652698-28292-1-git-send-email-liaotonglang@gmail.com> Date: Mon, 12 Oct 2015 20:24:58 +0800 From: Liao Tonglang <liaotonglang@...il.com> To: tj@...nel.org, axboe@...com, akpm@...ux-foundation.org, jack@...e.cz, hannes@...xchg.org Cc: linux-mm@...ck.org, linux-kernel@...r.kernel.org, Liao Tonglang <liaotonglang@...il.com> Subject: [PATCH] mm: cleanup balance_dirty_pages() that leave variables uninitialized 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@...il.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 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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