[ARMedslack] Thinking about changing Slackware ARM to armv5t baseline

[Thorsten Mühlfelder]

Am Tue, 4 Jan 2011 15:00:10 +0000 (GMT)
schrieb Stuart Winter <m-lists at biscuit.org.uk>:

> 
> > Armed works fine on device with 32MB of RAM.
> 
> Heh. It's called "ARMedslack" or "Slackware ARM".  Every time I see
> "Armed" I get images of men in balaclavas committing a bank
> robbery ;-)
> 
> Yes 32MB will work for minimal services like dhcp, dns and stuff like
> that, but IME not much else!

Yep, 32 MB is enough. See one of my devices (it uses 10 MB RAM so
there should be enough left for some small services):

root at slackware:~# free -m
             total       used       free     shared    buffers
cached Mem:            60         29         31          0
0         18 -/+ buffers/cache:         10         49
Swap:            0          0          0


root at slackware:~# ps ax 
  PID TTY      STAT   TIME COMMAND
    1 ?        Ss     0:21 init [3]  
    2 ?        S      0:00 [kthreadd]
    3 ?        S      0:00 [ksoftirqd/0]
    4 ?        S      0:00 [events/0]
    5 ?        S      0:00 [khelper]
    8 ?        S      0:00 [async/mgr]
   83 ?        S      0:00 [sync_supers]
   85 ?        S      0:00 [bdi-default]
   87 ?        S      0:00 [kblockd/0]
   98 ?        S      0:00 [khubd]
  118 ?        S      0:00 [kswapd0]
  119 ?        S      0:00 [aio/0]
  287 ?        S      0:00 [mtdblock0]
  292 ?        S      0:00 [mtdblock1]
  316 ?        S      0:00 [yaffs-bg-1]
  361 ?        Ss     0:00 /usr/sbin/syslogd
  392 ?        Ss     0:00 /usr/sbin/klogd -c 3 -x
  426 ?        Ss     0:00 /sbin/dhcpcd -t 10 eth0
  500 ?        Ss     0:00 /usr/sbin/sshd
  505 ?        Ss     0:00 /usr/sbin/ntpd -g -p /var/run/ntpd.pid
  510 ?        Ss     0:00 /usr/sbin/crond -l10
  512 ttyS0    Ss+    0:00 /sbin/agetty -L ttyS0 115200 vt100
  513 ttyS1    Ss+    0:00 /sbin/agetty -L ttyS1 115200 vt100
  514 ?        Ss     0:00 sshd: root at ttyp0 
  516 ?        S      0:00 [flush-31:1]
  517 ttyp0    Ss     0:00 -bash
  529 ttyp0    R+     0:00 ps ax


root at slackware:~# cat /proc/cpuinfo 
Processor       : ARM926EJ-S rev 5 (v5l)
BogoMIPS        : 87.24
Features        : swp half thumb fastmult edsp java 
CPU implementer : 0x41
CPU architecture: 5TEJ
CPU variant     : 0x0
CPU part        : 0x926
CPU revision    : 5

Hardware        : Olimex SAM9-L9260
Revision        : 0000
Serial          : 0000000000000000