$ cat /proc/meminfo
MemTotal:       66075980 kB
MemFree:         2117304 kB
Buffers:          396328 kB
Cached:          9286764 kB
SwapCached:       794700 kB
Active:         53198584 kB
Inactive:       10075240 kB
Active(anon):   50010632 kB
Inactive(anon):  3587764 kB
Active(file):    3187952 kB
Inactive(file):  6487476 kB
Unevictable:        5604 kB
Mlocked:            5604 kB
SwapTotal:       4194300 kB
SwapFree:            324 kB
Dirty:             49460 kB
Writeback:            72 kB
AnonPages:      52802056 kB
Mapped:            89356 kB
Shmem:              4448 kB
Slab:             388132 kB
SReclaimable:     324892 kB
SUnreclaim:        63240 kB
KernelStack:       11360 kB
PageTables:       126924 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:    37232288 kB
Committed_AS:   47441088 kB
VmallocTotal:   34359738367 kB
VmallocUsed:      386700 kB
VmallocChunk:   34325801336 kB
HardwareCorrupted:     0 kB
AnonHugePages:         0 kB
HugePages_Total:       0
HugePages_Free:        0
HugePages_Rsvd:        0
HugePages_Surp:        0
Hugepagesize:       2048 kB
DirectMap4k:       93868 kB
DirectMap2M:     8259584 kB
DirectMap1G:    58720256 kB
$