On 8/27/24 16:49, Vlastimil Babka wrote: > On 8/22/24 18:59, Christoph Lameter (Ampere) wrote: >> On Thu, 22 Aug 2024, Yan Zhen wrote: >> >>> The kmem_cache_alloc() is typically used to free memory allocated through >>> the kernel memory cache (slab allocator). oh but _alloc() is used to alloc, not free. >> >> Well yes but since we removed SLOB we can use kfree() on any slab object. >> >>> Using kmem_cache_free() for deallocation may be more reasonable. so I've reworded the commit log a bit. mm, slab: use kmem_cache_free() to free from kmem_buckets_cache In kmem_buckets_create(), the kmem_buckets object is allocated by kmem_cache_alloc() from kmem_buckets_cache, but in the failure case, it's freed by kfree(), which is not wrong, but using kmem_cache_free() is the more common pattern, so use it. >> It is more symmetric and looks better. > > Right, added to slab/for-next, thanks. > >> Reviewed-by: Christoph Lameter <cl@xxxxxxxxx> >