Re: [PATCH v3] ANDROID: binder: change down_write to down_read

From: Minchan Kim
Date: Thu Mar 29 2018 - 20:37:49 EST


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@xxxxxxxxxx>

This time, I was little bit fast. :)