From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alex Shi Subject: [PATCH v4 1/9] mm/swap: fix uninitialized compiler warning Date: Tue, 19 Nov 2019 20:23:15 +0800 Message-ID: <1574166203-151975-2-git-send-email-alex.shi@linux.alibaba.com> References: <1574166203-151975-1-git-send-email-alex.shi@linux.alibaba.com> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <1574166203-151975-1-git-send-email-alex.shi@linux.alibaba.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="utf-8" To: cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, akpm@linux-foundation.org, mgorman@techsingularity.net, tj@kernel.org, hughd@google.com, khlebnikov@yandex-team.ru, daniel.m.jordan@oracle.com, yang.shi@linux.alibaba.com, willy@infradead.org, shakeelb@google.com, hannes@cmpxchg.org Cc: Alex Shi ../mm/swap.c: In function ‘__page_cache_release’: ../mm/swap.c:67:10: warning: ‘flags’ may be used uninitialized in this function [-Wmaybe-uninitialized] lruvec = lock_page_lruvec_irqsave(page, pgdat, flags); ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Signed-off-by: Alex Shi Cc: Andrew Morton Cc: linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org --- mm/swap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/swap.c b/mm/swap.c index 5341ae93861f..c36a10244d07 100644 --- a/mm/swap.c +++ b/mm/swap.c @@ -62,7 +62,7 @@ static void __page_cache_release(struct page *page) if (PageLRU(page)) { pg_data_t *pgdat = page_pgdat(page); struct lruvec *lruvec; - unsigned long flags; + unsigned long flags = 0; spin_lock_irqsave(&pgdat->lru_lock, flags); lruvec = mem_cgroup_page_lruvec(page, pgdat); -- 1.8.3.1