On Wed 24-03-21 17:28:28, Mike Kravetz wrote:
[...]
> phys_addr_t cma_get_base(const struct cma *cma)
> {
> return PFN_PHYS(cma->base_pfn);
> @@ -146,6 +155,10 @@ static int __init cma_init_reserved_areas(void)
> for (i = 0; i < cma_area_count; i++)
> cma_activate_area(&cma_areas[i]);
>
> + cma_release_wq = create_workqueue("cma_release");
Considering the workqueue is used to free up memory it should likely be
WQ_MEM_RECLAIM to prevent from long stalls when WQs are overloaded.
I cannot judge the CMA parts from a very quick glance this looks
reasonably.
--
Michal Hocko
SUSE Labs