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SubjectRe: [PATCH v2 5/6] mm: memcg/slab: cache page number in memcg_(un)charge_slab()
On Thu, Jan 09, 2020 at 12:26:58PM -0800, Roman Gushchin wrote:
> 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 <>

Acked-by: Johannes Weiner <>

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