답변:
AFAIK, SLAB은 커널의 여러 메모리 할당 자 중 하나입니다
커널은 훨씬 더 많은 메모리를 사용
보다 "smem -twk"
예를 들어, 우분투 데스크탑
# smem -twk
Area Used Cache Noncache
firmware/hardware 0 0 0
kernel image 0 0 0
kernel dynamic memory 1.1G 802.0M 299.7M
userspace memory 2.2G 218.1M 2.0G
free memory 440.1M 440.1M 0
----------------------------------------------------------
3.7G 1.4G 2.3G
# slabtop -s c
Active / Total Objects (% used) : 486431 / 618408 (78,7%)
Active / Total Slabs (% used) : 17621 / 17621 (100,0%)
Active / Total Caches (% used) : 77 / 108 (71,3%)
Active / Total Size (% used) : 157060,61K / 182206,62K (86,2%)
Minimum / Average / Maximum Object : 0,01K / 0,29K / 8,00K