Hello.
On pátek 3. února 2023 9:13:57 CET Yu Kuai wrote:
> From: Yu Kuai <yukuai3@xxxxxxxxxx>
>
> This reverts commit ec645dc96699ea6c37b6de86c84d7288ea9a4ddf.
>
> This can save some memory, because after commit 0f7839955114 ("Revert
> "block/mq-deadline: Add cgroup support""), there are total 5 policies.
>
> Signed-off-by: Yu Kuai <yukuai3@xxxxxxxxxx>
> ---
> include/linux/blkdev.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
> index 41a41561b773..c6861c7fdad9 100644
> --- a/include/linux/blkdev.h
> +++ b/include/linux/blkdev.h
> @@ -54,7 +54,7 @@ extern struct class block_class;
> * Maximum number of blkcg policies allowed to be registered concurrently.
> * Defined here to simplify include dependency.
> */
> -#define BLKCG_MAX_POLS 6
> +#define BLKCG_MAX_POLS 5
>
> #define DISK_MAX_PARTS 256
> #define DISK_NAME_LEN 32
Last time I asked about reverting this change, it was suggested that we may keep it [1].
[1] https://lore.kernel.org/linux-block/1dc051a8-4d59-8137-2406-f74026b170bd@xxxxxxxxx/
--
Oleksandr Natalenko (post-factum)
