[PATCH 2/6] proc: commit to genradix

[Kent Overstreet]

On Wed, May 23, 2018 at 04:28:23AM -0700, Matthew Wilcox wrote:
> 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?

Already exists. I kind of prefer not to use it when I don't need to though, and
stick to things that look more like normal declarations instead.
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