Two devices with near identical RAM but a fairly different profile and signature of RAM Usage.

RAM profile of Bullhead and Mako

bullhead:/ $ cat /proc/meminfo
MemTotal:        1857660 kB
MemFree:           40880 kB
Buffers:            7976 kB
Cached:           445308 kB
SwapCached:         4156 kB
Active:           681412 kB
Inactive:         360836 kB
Active(anon):     508108 kB
Inactive(anon):   176064 kB
Active(file):     173304 kB
Inactive(file):   184772 kB
Unevictable:       88220 kB
Mlocked:           84624 kB
SwapTotal:        520908 kB
SwapFree:          66936 kB
Dirty:                 0 kB
Writeback:             0 kB
AnonPages:        674964 kB
Mapped:           275012 kB
Shmem:              7244 kB
Slab:              96992 kB
SReclaimable:      24580 kB
SUnreclaim:        72412 kB
KernelStack:       34336 kB
PageTables:        40304 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:     1449736 kB
Committed_AS:   69033440 kB
VmallocTotal:   251658176 kB
VmallocUsed:      162712 kB
VmallocChunk:   251408988 kB


mako:/ $ cat /proc/meminfo
MemTotal:        1871404 kB
MemFree:           92212 kB
Buffers:          101836 kB
Cached:           833816 kB
SwapCached:            0 kB
Active:          1018824 kB
Inactive:         472612 kB
Active(anon):     560016 kB
Inactive(anon):     7048 kB
Active(file):     458808 kB
Inactive(file):   465564 kB
Unevictable:        2844 kB
Mlocked:             256 kB
HighTotal:       1257468 kB
HighFree:          35188 kB
LowTotal:         613936 kB
LowFree:           57024 kB
SwapTotal:             0 kB
SwapFree:              0 kB
Dirty:                72 kB
Writeback:             0 kB
AnonPages:        558608 kB
Mapped:           316492 kB
Shmem:              8692 kB
Slab:              70128 kB
SReclaimable:      37260 kB
SUnreclaim:        32868 kB
KernelStack:       11632 kB
PageTables:        26496 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:      935700 kB
Committed_AS:   37407376 kB
VmallocTotal:     245760 kB
VmallocUsed:       86748 kB
VmallocChunk:      73588 kB