Re: [PATCH v4 3/6] block/genhd.c: applypm_runtime_set_memalloc_noio on block devices

[Andrew Morton]

On Sat,  3 Nov 2012 16:35:11 +0800
Ming Lei <ming.lei@xxxxxxxxxxxxx> wrote:

> This patch applyes the introduced pm_runtime_set_memalloc_noio on
> block device so that PM core will teach mm to not allocate memory with
> GFP_IOFS when calling the runtime_resume and runtime_suspend callback
> for block devices and its ancestors.
> 
> ...
>
> @@ -532,6 +533,13 @@ static void register_disk(struct gendisk *disk)
>  			return;
>  		}
>  	}
> +
> +	/* avoid probable deadlock caused by allocating memory with

Again, please fix the comment style.  Take a look at the rest of this file!

> +	 * GFP_KERNEL in runtime_resume callback of its all ancestor
> +	 * deivces

typo

> +	 */

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