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Roman Gushchin authored
There are many places in memcg_charge_slab() and memcg_uncharge_slab() which are calculating the number of pages to charge, css references to grab etc depending on the order of the slab page. Let's simplify the code by calculating it once and caching in the local variable. Signed-off-by:
Roman Gushchin <guro@fb.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Reviewed-by:
Shakeel Butt <shakeelb@google.com> Acked-by:
Johannes Weiner <hannes@cmpxchg.org> Cc: Michal Hocko <mhocko@kernel.org> Cc: Vladimir Davydov <vdavydov.dev@gmail.com> Link: http://lkml.kernel.org/r/20200109202659.752357-6-guro@fb.comSigned-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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