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Message-ID: <20171215134837.671ea215@canb.auug.org.au>
Date: Fri, 15 Dec 2017 13:48:37 +1100
From: Stephen Rothwell <sfr@...b.auug.org.au>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: Linux-Next Mailing List <linux-next@...r.kernel.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Yang Shi <yang.s@...baba-inc.com>
Subject: linux-next: build warning after merge of the akpm-current tree
Hi Andrew,
After merging the akpm-current tree, today's linux-next build (powerpc
ppc64_defconfig) produced this warning:
mm/khugepaged.c: In function 'khugepaged':
mm/khugepaged.c:1757:31: warning: 'vma' may be used uninitialized in this function [-Wmaybe-uninitialized]
if (khugepaged_test_exit(mm) || !vma) {
^
mm/khugepaged.c:1659:25: note: 'vma' was declared here
struct vm_area_struct *vma;
^
Introduced by commit
0951b59acf3a ("mm: thp: use down_read_trylock() in khugepaged to avoid long block")
--
Cheers,
Stephen Rothwell
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