Increase kernel buffers

[Josué Maldonado]

Hello list,

I'm novice in Linux, is there a way to increase kernel buffers in RH?
Actually top returns this:
   8:44am  up  1:16,  2 users,  load average: 0.43, 0.64, 0.61
65 processes: 64 sleeping, 1 running, 0 zombie, 0 stopped
CPU0 states:  0.1% user,  0.1% system,  0.0% nice, 99.3% idle
CPU1 states:  0.0% user,  0.0% system,  0.0% nice, 100.0% idle
CPU2 states:  0.0% user,  0.0% system,  0.0% nice, 100.0% idle
CPU3 states:  0.0% user,  0.0% system,  0.0% nice, 100.0% idle
Mem:  2069596K av, 1981880K used,   87716K free,       0K shrd,  121080K 
buff
Swap: 2096440K av,       0K used, 2096440K free                 1606720K 
cached

   PID USER     PRI  NI  SIZE  RSS SHARE STAT %CPU %MEM   TIME COMMAND
  2043 root      14   0  1032 1032   848 R     0.3  0.0   0:00 top
     1 root       8   0   476  476   432 S     0.0  0.0   0:04 init
     2 root       8   0     0    0     0 SW    0.0  0.0   0:00 keventd

Is it the "normal/expected" behavior ? where can I find some docs about 
RH performance tuning?

Thanks,

-- 
Sinceramente,
Josué Maldonado.

"Es mucho mas difícil juzgarse a si mismo, que juzgar a los demas. Si 
consigues juzgarte rectamente, seras un verdadero sabio." --Antoine de 
Saint-Exupery.