如何计算 Linux 内核占用的 RAM 大小?

[咕噜咕噜斯基]

如题? 下面这些信息哪个最接近能得出内核占用的 RAM 大小?
谢谢大家了. 刚学, 不太懂.

/proc# cat meminfo
MemTotal:        2067988 kB
MemFree:         1901792 kB
Buffers:            3868 kB
Cached:            78348 kB
SwapCached:            0 kB
Active:            22900 kB
Inactive:          66416 kB
Active(anon):       7192 kB
Inactive(anon):     5056 kB
Active(file):      15708 kB
Inactive(file):    61360 kB
Unevictable:           4 kB
Mlocked:               4 kB
HighTotal:        269308 kB
HighFree:         171088 kB
LowTotal:        1798680 kB
LowFree:         1730704 kB
SwapTotal:             0 kB
SwapFree:              0 kB
Dirty:                36 kB
Writeback:             0 kB
AnonPages:          7232 kB
Mapped:            19404 kB
Shmem:              5096 kB
Slab:               7684 kB
SReclaimable:       2356 kB
SUnreclaim:         5328 kB
KernelStack:         736 kB
PageTables:          456 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:     1033992 kB
Committed_AS:     302048 kB
VmallocTotal:     245760 kB
VmallocUsed:       18628 kB
VmallocChunk:     112472 kB

[iceuct]

用top吧。你还要减去app的内存