Re: [PATCH 2/6] proc: commit to genradix

[Matthew Wilcox]

On Tue, May 22, 2018 at 09:18:17PM -0400, Kent Overstreet wrote:
> @@ -2140,11 +2140,12 @@ proc_map_files_readdir(struct file *file, struct dir_context *ctx)
>  	struct task_struct *task;
>  	struct mm_struct *mm;
>  	unsigned long nr_files, pos, i;
> -	struct flex_array *fa = NULL;
> -	struct map_files_info info;
> +	GENRADIX(struct map_files_info) fa;
>  	struct map_files_info *p;
>  	int ret;
>  
> +	genradix_init(&fa);

Could we have a DEFINE_GENRADIX(type, name) which initialises the tree?