Re: [RFC] sched: implement the exclusive wait queue as a LIFO queue

[David Howells]

Changli Gao <xiaosuo@xxxxxxxxx> wrote:

> @@ -50,6 +48,7 @@ struct wait_bit_queue {
>  struct __wait_queue_head {
>  	spinlock_t lock;
>  	struct list_head task_list;
> +	struct list_head task_list_ex;

It would be preferable it if you could avoid making struct __wait_queue_head
bigger.  That will increase the size of a lot of things.

David
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