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> + unsigned long resched_threshold; > struct vmap_area *va, *n_va; > LIST_HEAD(local_list); >=20 > vn->nr_purged =3D 0; > + resched_threshold =3D lazy_max_pages() << 1; >=20 > list_for_each_entry_safe(va, n_va, &vn->purge_list, list) { > unsigned long nr =3D (va->va_end - va->va_start) >> PAGE_SHIFT; @@ > -2210,6 +2212,9 @@ static void purge_vmap_node(struct work_struct *work) > atomic_long_sub(nr, &vmap_lazy_nr); > vn->nr_purged++; >=20 > + if (atomic_long_read(&vmap_lazy_nr) < resched_threshold) > + cond_resched(); > + > if (is_vn_id_valid(vn_id) && !vn->skip_populate) > if (node_pool_add_va(vn, va)) > continue; > This patch can fix the issue. Feel free to add my tested-by. Tested-by: Adrian Huang -- Adrian