>
> IMO, I thought we can fix this by following.
> It doesn't initialize unused variables and utilize the percpu xarray. If I said
> anything wrong, please do let me know. I can learn a lot from you all :).
>
>
> diff --git a/mm/vmalloc.c b/mm/vmalloc.c
> index 11fe5ea208aa..f9f981674b2d 100644
> --- a/mm/vmalloc.c
> +++ b/mm/vmalloc.c
> @@ -4480,17 +4480,21 @@ void __init vmalloc_init(void)
> */
> vmap_area_cachep = KMEM_CACHE(vmap_area, SLAB_PANIC);
>
> - for_each_possible_cpu(i) {
> + for (i = 0; i < nr_cpu_ids; i++) {
> struct vmap_block_queue *vbq;
> struct vfree_deferred *p;
>
> vbq = &per_cpu(vmap_block_queue, i);
> + xa_init(&vbq->vmap_blocks);
> +
> + if (!cpu_possible(i))
Why do you need such check?
Thanks!
--
Uladzislau Rezki
