cat proc meminfo MemTotal 4050856 kB MemFree 264268 kB MemAvailable 16

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~# cat /proc/meminfo
MemTotal: 4050856 kB
MemFree: 264268 kB
MemAvailable: 1604576 kB
Buffers: 1035940 kB
Cached: 541780 kB
SwapCached: 0 kB
Active: 3076756 kB
Inactive: 491964 kB
Active(anon): 1991908 kB
Inactive(anon): 78236 kB
Active(file): 1084848 kB
Inactive(file): 413728 kB
Unevictable: 0 kB
Mlocked: 0 kB
SwapTotal: 0 kB
SwapFree: 0 kB
Dirty: 184 kB
Writeback: 0 kB
AnonPages: 1991004 kB
Mapped: 117636 kB
Shmem: 79144 kB
Slab: 146760 kB
SReclaimable: 89728 kB
SUnreclaim: 57032 kB
KernelStack: 6608 kB
PageTables: 27316 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
WritebackTmp: 0 kB
CommitLimit: 2025428 kB
Committed_AS: 4340848 kB
VmallocTotal: 34359738367 kB
VmallocUsed: 0 kB
VmallocChunk: 0 kB
HardwareCorrupted: 0 kB
AnonHugePages: 253952 kB
ShmemHugePages: 0 kB
ShmemPmdMapped: 0 kB
HugePages_Total: 0
HugePages_Free: 0
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 2048 kB
DirectMap4k: 522212 kB
DirectMap2M: 3672064 kB
DirectMap1G: 0 kB