On Tue 12-04-11 11:35:34, Namhyung Kim wrote:
> The commit ca371c0d7e23 ("memcg: fix page_cgroup fatal error
> in FLATMEM") removes call to alloc_bootmem() in the function
> so that it can be marked as __meminit to reduce memory usage
> when MEMORY_HOTPLUG=n.
>
> Also as new helper function alloc_page_cgroup() is called only
> in the function, it should be marked too.
>
> Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxx>
> Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
> Acked-by: Balbir Singh <balbir@xxxxxxxxxxxxxxxxxx>
> Cc: Michal Hocko <mhocko@xxxxxxx>
I am not aware I would be involved in the first round, but yes this
looks correct and reasonable. You can add my
Reviewed-by: Michal Hocko <mhocko@xxxxxxx>
if you care.
> ---
> I kept Acked-by's because it seemed like a trivial change, no?
>
> mm/page_cgroup.c | 4 ++--
> 1 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/mm/page_cgroup.c b/mm/page_cgroup.c
> index 99055010cece..81205c52735c 100644
> --- a/mm/page_cgroup.c
> +++ b/mm/page_cgroup.c
> @@ -130,7 +130,7 @@ struct page *lookup_cgroup_page(struct page_cgroup *pc)
> return page;
> }
>
> -static void *__init_refok alloc_page_cgroup(size_t size, int nid)
> +static void *__meminit alloc_page_cgroup(size_t size, int nid)
> {
> void *addr = NULL;
>
> @@ -162,7 +162,7 @@ static void free_page_cgroup(void *addr)
> }
> #endif
>
> -static int __init_refok init_section_page_cgroup(unsigned long pfn)
> +static int __meminit init_section_page_cgroup(unsigned long pfn)
> {
> struct page_cgroup *base, *pc;
> struct mem_section *section;
> --
> 1.7.4
>
> --
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--
Michal Hocko
SUSE Labs
SUSE LINUX s.r.o.
Lihovarska 1060/12
190 00 Praha 9
Czech Republic
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