Hello, Michal.
On Thu, Jun 18, 2015 at 01:12:27PM +0200, Michal Hocko wrote:
...
> I see and yes, it makes some sense. I just think we can get rid of the
> accessor functions when the struct mem_cgroup is visible and the code
> can simply do &{page->}mem_cgroup->css.
As long as the accessors are inline, I think it should be fine.
> I have tried to compile with !CONFIG_MEMCG and !CONFIG_CGROUP_WRITEBACK
> without mem_cgroup_root_css defined for this configuration and
> mm/backing-dev.c compiles just fine. So maybe we should get rid of it
> rather than have a potentially tricky code?
Yeah, please feel free to queue a patch to remove it if doesn't break
anything.
Thanks.
--
tejun
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