On Tue, Apr 9, 2024 at 2:23 AM Christoph Lameter (Ampere) <cl@xxxxxxxxx> wrote: > > On Sun, 7 Apr 2024, David Rientjes wrote: > > > What user observable effect does this have given it would only make a > > difference when slab_state == DOWN? > > It reduces the kernel text size and removes a line from source code. > > > Yes, it only affects when slab_state == DOWN. early_kmem_cache_node_alloc() is called exclusively when the slab_state == DOWN, by init_kmem_cache_nodes().