# cat /proc/meminfo 
MemTotal:      4053984 kB
MemFree:        167068 kB
Buffers:          1692 kB
Cached:          34896 kB
SwapCached:      86196 kB
Active:         113888 kB
Inactive:        22828 kB
SwapTotal:      979924 kB
SwapFree:       772416 kB
Dirty:              24 kB
Writeback:           0 kB
AnonPages:       83428 kB
Mapped:           7272 kB
Slab:          3706840 kB
SReclaimable:     5104 kB
SUnreclaim:    3701736 kB
PageTables:       2408 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   3006916 kB
Committed_AS:   372196 kB
VmallocTotal: 34359738367 kB
VmallocUsed:     23040 kB
VmallocChunk: 34359715267 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
HugePages_Surp:      0
Hugepagesize:     2048 kB