Re: [PATCH v6 4/6] lib/dlock-list: Make sibling CPUs share the same linked list

From: Jan Kara
Date: Thu Oct 05 2017 - 04:59:58 EST

On Wed 04-10-17 17:20:05, Waiman Long wrote:
> int alloc_dlock_list_heads(struct dlock_list_heads *dlist)
> {
> - int idx;
> + int idx, cnt = nr_dlock_lists ? nr_dlock_lists : nr_cpu_ids;

Hum, is this there for the case where alloc_dlock_list_heads() is called
before nr_dlock_lists is initialized? But how can the dlist be used later
when it has larger number of lists and you don't know how many?

Jan Kara <jack@xxxxxxxx>