linux-kernel - Re: [PATCH v3] ANDROID: binder: change down_write to down

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Message-ID: <20180330003736.GA255979@rodete-desktop-imager.corp.google.com>
Date:   Fri, 30 Mar 2018 09:37:36 +0900
From:   Minchan Kim <minchan@...nel.org>
To:     kbuild test robot <lkp@...el.com>
Cc:     kbuild-all@...org, LKML <linux-kernel@...r.kernel.org>,
        Todd Kjos <tkjos@...gle.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Arve Hjønnevåg <arve@...roid.com>,
        Martijn Coenen <maco@...roid.com>
Subject: Re: [PATCH v3] ANDROID: binder: change down_write to down_read

On Fri, Mar 30, 2018 at 07:42:37AM +0800, kbuild test robot wrote:
> Hi Minchan,
> 
> I love your patch! Yet something to improve:

Glad to hear.
It's first time someone loves my patch. ;-)

> 
> [auto build test ERROR on staging/staging-testing]
> [also build test ERROR on v4.16-rc7 next-20180329]
> [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
> 
> url:    https://github.com/0day-ci/linux/commits/Minchan-Kim/ANDROID-binder-change-down_write-to-down_read/20180330-043057
> config: x86_64-randconfig-x014-201812 (attached as .config)
> compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
> reproduce:
>         # save the attached .config to linux build tree
>         make ARCH=x86_64 
> 
> All errors (new ones prefixed by >>):
> 
>    drivers//android/binder.c: In function 'binder_mmap':
> >> drivers//android/binder.c:4725:24: error: 'struct vm_area_struct' has no member named 'flags'; did you mean 'vm_flags'?
>      vma->vm_flags = (vma->flags | VM_DONTCOPY | VM_MIXEDMAP) &
>                            ^~~~~
>                            vm_flags

http://lkml.kernel.org/r/<20180329065424.203172-1-minchan@...nel.org>

This time, I was little bit fast. :)