SLAB

modulename: slab.ko

configname: CONFIG_SLAB

Choose SLAB allocator
└─>SLAB
In linux kernel since version 4.14.326 (release Date: 2023-09-23)  
The regular slab allocator that is established and known to work
well in all environments. It organizes cache hot objects in
per cpu and per node queues.

source code:
mm/slab.c

depends
NOT CONFIG_PREEMPT_RT