Damon regions are dynamic objects which can be created and destroyed frequently, a dedicated slab cache is created by KMEM_CACHE(), as suggested by akpm. Signed-off-by: Dawei Li <set_pte_at@xxxxxxxxxxx> --- mm/damon/core.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/mm/damon/core.c b/mm/damon/core.c index 0b1eb945c68a..20163c3c9aa7 100644 --- a/mm/damon/core.c +++ b/mm/damon/core.c @@ -1283,8 +1283,7 @@ bool damon_find_biggest_system_ram(unsigned long *start, unsigned long *end) static int __init damon_init(void) { - damon_region_cache = kmem_cache_create("damon_region_cache", sizeof(struct damon_region), - 0, 0, NULL); + damon_region_cache = KMEM_CACHE(damon_region, 0); if (unlikely(!damon_region_cache)) { pr_err("creating damon_region_cache fails\n"); return -ENOMEM; -- 2.25.1