From: Minchan Kim <minchan@kernel.org>
To: kbuild test robot <fengguang.wu@intel.com>
Cc: kbuild-all@01.org, Johannes Weiner <hannes@cmpxchg.org>,
Andrew Morton <akpm@linux-foundation.org>,
Linux Memory Management List <linux-mm@kvack.org>,
Michael Kerrisk <mtk.manpages@gmail.com>,
Richard Henderson <rth@twiddle.net>,
Ivan Kokshaysky <ink@jurassic.park.msu.ru>,
"James E.J. Bottomley" <jejb@parisc-linux.org>,
Helge Deller <deller@gmx.de>, Ralf Baechle <ralf@linux-mips.org>,
Chris Zankel <chris@zankel.net>,
Max Filippov <jcmvbkbc@gmail.com>
Subject: Re: [mmotm:master 174/397] mm/madvise.c:42:7: error: 'MADV_FREE' undeclared
Date: Thu, 27 Nov 2014 10:18:19 +0900 [thread overview]
Message-ID: <20141127011819.GA21891@bbox> (raw)
In-Reply-To: <201411270835.hrrJeFPX%fengguang.wu@intel.com>
On Thu, Nov 27, 2014 at 08:18:37AM +0800, kbuild test robot wrote:
> tree: git://git.cmpxchg.org/linux-mmotm.git master
> head: a2d887dee78e23dc092ff14ae2ad22592437a328
> commit: 7eba9427dd923bdf1cc5f88bb0fb880fe1268be0 [174/397] mm: support madvise(MADV_FREE)
> config: xtensa-common_defconfig (attached as .config)
> reproduce:
> wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
> chmod +x ~/bin/make.cross
> git checkout 7eba9427dd923bdf1cc5f88bb0fb880fe1268be0
> # save the attached .config to linux build tree
> make.cross ARCH=xtensa
>
> All error/warnings:
>
> mm/madvise.c: In function 'madvise_need_mmap_write':
> >> mm/madvise.c:42:7: error: 'MADV_FREE' undeclared (first use in this function)
> case MADV_FREE:
> ^
> mm/madvise.c:42:7: note: each undeclared identifier is reported only once for each function it appears in
> mm/madvise.c: In function 'madvise_vma':
> >> mm/madvise.c:515:7: error: 'MADV_FREE' undeclared (first use in this function)
> case MADV_FREE:
> ^
> mm/madvise.c: In function 'madvise_behavior_valid':
> >> mm/madvise.c:542:7: error: 'MADV_FREE' undeclared (first use in this function)
> case MADV_FREE:
> ^
>
> vim +/MADV_FREE +42 mm/madvise.c
>
> 36 static int madvise_need_mmap_write(int behavior)
> 37 {
> 38 switch (behavior) {
> 39 case MADV_REMOVE:
> 40 case MADV_WILLNEED:
> 41 case MADV_DONTNEED:
> > 42 case MADV_FREE:
> 43 return 0;
> 44 default:
> 45 /* be safe, default to 1. list exceptions explicitly */
>
> ---
> 0-DAY kernel test infrastructure Open Source Technology Center
> http://lists.01.org/mailman/listinfo/kbuild Intel Corporation
Thanks.
Below should fix the problem.
next prev parent reply other threads:[~2014-11-27 1:18 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-27 0:18 kbuild test robot
2014-11-27 1:18 ` Minchan Kim [this message]
2014-11-27 8:08 ` Max Filippov
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