On Fri, 18 Mar 2011 21:54:13 +0900
Namhyung Kim <namhyung@xxxxxxxxx> 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.
>
> Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxx>
> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
> ---
> mm/page_cgroup.c | 3 +--
> 1 files changed, 1 insertions(+), 2 deletions(-)
>
> diff --git a/mm/page_cgroup.c b/mm/page_cgroup.c
> index 5bffada7cde1..2d1a0fa01d7b 100644
> --- a/mm/page_cgroup.c
> +++ b/mm/page_cgroup.c
> @@ -105,8 +105,7 @@ struct page_cgroup *lookup_page_cgroup(struct page *page)
> return section->page_cgroup + pfn;
> }
>
> -/* __alloc_bootmem...() is protected by !slab_available() */
> -static int __init_refok init_section_page_cgroup(unsigned long pfn)
> +static int __meminit init_section_page_cgroup(unsigned long pfn)
> {
> struct mem_section *section = __pfn_to_section(pfn);
> struct page_cgroup *base, *pc;
> --
> 1.7.4
>
>
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