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Date: Tue, 10 Aug 2021 21:06:52 +0100 From: David Howells <dhowells@...hat.com> To: "Matthew Wilcox (Oracle)" <willy@...radead.org> Cc: dhowells@...hat.com, linux-kernel@...r.kernel.org, linux-mm@...ck.org, linux-fsdevel@...r.kernel.org, Michal Hocko <mhocko@...e.com>, Johannes Weiner <hannes@...xchg.org>, Christoph Hellwig <hch@....de> Subject: Re: [PATCH v14 035/138] mm/memcg: Use the node id in mem_cgroup_update_tree() Matthew Wilcox (Oracle) <willy@...radead.org> wrote: > By using the node id in mem_cgroup_update_tree(), we can delete > soft_limit_tree_from_page() and mem_cgroup_page_nodeinfo(). Saves 42 > bytes of kernel text on my config. > > Signed-off-by: Matthew Wilcox (Oracle) <willy@...radead.org> > Acked-by: Michal Hocko <mhocko@...e.com> > Acked-by: Johannes Weiner <hannes@...xchg.org> > Reviewed-by: Christoph Hellwig <hch@....de> Reviewed-by: David Howells <dhowells@...hat.com> Though I wonder if: > - mz = mem_cgroup_page_nodeinfo(memcg, page); > + mz = memcg->nodeinfo[nid]; should still have some sort of wrapper function.
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