Re: [patch 8/9] mm: memcontrol: rewrite charge API

[Michal Hocko]

On Wed 30-04-14 16:25:42, Johannes Weiner wrote:
[...]
> diff --git a/mm/memcontrol.c b/mm/memcontrol.c
> index d3961fce1d54..6f48e292ffe7 100644
> --- a/mm/memcontrol.c
> +++ b/mm/memcontrol.c
> @@ -2574,163 +2574,6 @@ static int memcg_cpu_hotplug_callback(struct notifier_block *nb,
>  	return NOTIFY_OK;
>  }
>  
> -/**
> - * mem_cgroup_try_charge - try charging a memcg
> - * @memcg: memcg to charge
> - * @nr_pages: number of pages to charge
> - * @oom: trigger OOM if reclaim fails
> - *
> - * Returns 0 if @memcg was charged successfully, -EINTR if the charge
> - * was bypassed to root_mem_cgroup, and -ENOMEM if the charge failed.
> - */
> -static int mem_cgroup_try_charge(struct mem_cgroup *memcg,
> -				 gfp_t gfp_mask,
> -				 unsigned int nr_pages,
> -				 bool oom)

Why haven't you simply renamed mem_cgroup_try_charge to try_charge here?
The code move is really hard to review.
[...]
-- 
Michal Hocko
SUSE Labs
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