On Wed, Oct 17, 2012 at 03:30:43PM +0200, Michal Hocko wrote:

mem_cgroup_force_empty did two separate things depending on free_all
parameter from the very beginning. It either reclaimed as many pages as
possible and moved the rest to the parent or just moved charges to the
parent. The first variant is used as memory.force_empty callback while
the later is used from the mem_cgroup_pre_destroy.

The whole games around gotos are far from being nice and there is no
reason to keep those two functions inside one. Let's split them and
also move the responsibility for css reference counting to their callers
to make to code easier.

This patch doesn't have any functional changes.

Signed-off-by: Michal Hocko <redacted>

Reviewed-by: Tejun Heo <tj@kernel.org>

Thanks.

-- 
tejun

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