On Wed 08-06-16 14:43:36, roy.qing.li@xxxxxxxxx wrote:
> From: Li RongQing <roy.qing.li@xxxxxxxxx>
>
> commit f627c2f53786 ("memcg: adjust to support new THP refcounting")
> adds a compound parameter for several functions, and change one as
> compound for mem_cgroup_move_account but it does not change the
> comments.
>
> Signed-off-by: Li RongQing <roy.qing.li@xxxxxxxxx>
Acked-by: Michal Hocko <mhocko@xxxxxxxx>
> ---
> mm/memcontrol.c | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/mm/memcontrol.c b/mm/memcontrol.c
> index bc79b38..4d9a215 100644
> --- a/mm/memcontrol.c
> +++ b/mm/memcontrol.c
> @@ -4387,7 +4387,7 @@ static struct page *mc_handle_file_pte(struct vm_area_struct *vma,
> /**
> * mem_cgroup_move_account - move account of the page
> * @page: the page
> - * @nr_pages: number of regular pages (>1 for huge pages)
> + * @compound: charge the page as compound or small page
> * @from: mem_cgroup which the page is moved from.
> * @to: mem_cgroup which the page is moved to. @from != @to.
> *
> @@ -5249,6 +5249,7 @@ bool mem_cgroup_low(struct mem_cgroup *root, struct mem_cgroup *memcg)
> * @mm: mm context of the victim
> * @gfp_mask: reclaim mode
> * @memcgp: charged memcg return
> + * @compound: charge the page as compound or small page
> *
> * Try to charge @page to the memcg that @mm belongs to, reclaiming
> * pages according to @gfp_mask if necessary.
> @@ -5311,6 +5312,7 @@ out:
> * @page: page to charge
> * @memcg: memcg to charge the page to
> * @lrucare: page might be on LRU already
> + * @compound: charge the page as compound or small page
> *
> * Finalize a charge transaction started by mem_cgroup_try_charge(),
> * after page->mapping has been set up. This must happen atomically
> @@ -5362,6 +5364,7 @@ void mem_cgroup_commit_charge(struct page *page, struct mem_cgroup *memcg,
> * mem_cgroup_cancel_charge - cancel a page charge
> * @page: page to charge
> * @memcg: memcg to charge the page to
> + * @compound: charge the page as compound or small page
> *
> * Cancel a charge transaction started by mem_cgroup_try_charge().
> */
> --
> 2.1.4
--
Michal Hocko
SUSE Labs
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