On Fri, Oct 16, 2015 at 10:03:31PM +0200, Arnd Bergmann wrote:
> A recent change to the memcg code added a call to virt_to_head_page,
> which is declared in linux/mm.h, but this is not necessarily included
> here and will cause compile errors:
>
> include/linux/memcontrol.h:841:9: error: implicit declaration of function 'virt_to_head_page' [-Werror=implicit-function-declaration]
>
> This adds an explicit include statement that gets rid of the error.
>
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> Fixes: 1ead4c071978 ("memcg: simplify and inline __mem_cgroup_from_kmem")
http://lkml.kernel.org/g/20151016131726.GA602@xxxxxxxxxxxxxxxxxx
--
Kirill A. Shutemov
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