mm: memcontrol: eliminate root memory.current
memory.current on the root level doesn't add anything that wouldn't be more accurate and detailed using system statistics. It already doesn't include slabs, and it'll be a pain to keep in sync when further memory types are accounted in the memory controller. Remove it. Note that this applies to the new unified hierarchy interface only. Signed-off-by:Johannes Weiner <hannes@cmpxchg.org> Acked-by:
Michal Hocko <mhocko@suse.com> Cc: Tejun Heo <tj@kernel.org> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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e0ec90ee
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