/proc/meminfo

MemTotal:        4040068 kB
MemFree:         2471840 kB
Buffers:           27852 kB
Cached:           393744 kB
SwapCached:            0 kB
Active:           160936 kB
Inactive:         265480 kB
Active(anon):       4844 kB
Inactive(anon):     2648 kB
Active(file):     156092 kB
Inactive(file):   262832 kB
Unevictable:           0 kB
Mlocked:               0 kB
SwapTotal:             0 kB
SwapFree:              0 kB
Dirty:                 0 kB
Writeback:             0 kB
AnonPages:          4840 kB
Mapped:             2204 kB
Shmem:              2672 kB
Slab:              61568 kB
SReclaimable:      45428 kB
SUnreclaim:        16140 kB
KernelStack:         712 kB
PageTables:          244 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:     2020032 kB
Committed_AS:       8500 kB
VmallocTotal:   34359738367 kB
VmallocUsed:       89728 kB
VmallocChunk:   34359639020 kB
AnonHugePages:         0 kB
DirectMap4k:     3259264 kB
DirectMap2M:      933888 kB