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SubjectRe: [PATCH 9/12] memcg allocate all page_cgroup at boot
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On Thu, 2008-09-25 at 15:32 +0900, KAMEZAWA Hiroyuki wrote:
> @@ -949,6 +953,11 @@ struct mem_section {
>
> /* See declaration of similar field in struct zone */
> unsigned long *pageblock_flags;
> +#ifdef CONFIG_CGROUP_MEM_RES_CTLR
> + /* see page_cgroup.h */
> + struct page_cgroup *page_cgroup;
> + unsigned long pad;
> +#endif
> };

I thought the use of this variable was under the

+#ifdef CONFIG_FLAT_NODE_MEM_MAP

options. Otherwise, we unconditionally bloat mem_section, right?

-- Dave



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