Re: [patch 1/3] mm, oom: organize oom context into struct

[Sergey Senozhatsky]

Hello,

On (06/18/15 16:00), David Rientjes wrote:
> There are essential elements to an oom context that are passed around to
> multiple functions.
> 
> Organize these elements into a new struct, struct oom_context, that
> specifies the context for an oom condition.
> 

s/oom_context/oom_control/ ?

[..]
>  
> +struct oom_control {
> +	struct zonelist *zonelist;
> +	nodemask_t	*nodemask;
> +	gfp_t		gfp_mask;
> +	int		order;
> +	bool		force_kill;
> +};
> +
> -extern void check_panic_on_oom(enum oom_constraint constraint, gfp_t gfp_mask,
> -			       int order, const nodemask_t *nodemask,
> +extern void check_panic_on_oom(struct oom_control *oc,
> +			       enum oom_constraint constraint,
>  			       struct mem_cgroup *memcg);
>  
> -extern enum oom_scan_t oom_scan_process_thread(struct task_struct *task,
> -		unsigned long totalpages, const nodemask_t *nodemask,
> -		bool force_kill);
> +extern enum oom_scan_t oom_scan_process_thread(struct oom_control *oc,
> +		struct task_struct *task, unsigned long totalpages);
>  
> -extern bool out_of_memory(struct zonelist *zonelist, gfp_t gfp_mask,
> -		int order, nodemask_t *mask, bool force_kill);
> +extern bool out_of_memory(struct oom_control *oc);
>  
>  extern void exit_oom_victim(void);
>  
[..]

	-ss
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