MemShared == 0 ?

MemShared == 0 ?

[Rodrigo Ventura]

/proc> cat version meminfo
Linux version 2.4.6-pre3 (yoda@damasio) (gcc version 2.95.2 19991024 (release)) #3 Mon Jun 18 19:00:11 WEST 2001
        total:    used:    free:  shared: buffers:  cached:
Mem:  261779456 256925696  4853760        0 134025216 82280448
Swap: 271425536 10993664 260431872     ^^^^
MemTotal:       255644 kB                  \
MemFree:          4740 kB                   \
MemShared:           0 kB  <<<<<<<<<< **** What's the meaning of this? *****
Buffers:        130884 kB
Cached:          80352 kB
Active:          24928 kB
Inact_dirty:    186308 kB
Inact_clean:         0 kB
Inact_target:      128 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:       255644 kB
LowFree:          4740 kB
SwapTotal:      265064 kB
SwapFree:       254328 kB

        Cheers,

-- 

*** Rodrigo Martins de Matos Ventura <yoda@isr.ist.utl.pt>
***  Web page: http://www.isr.ist.utl.pt/~yoda
***   Teaching Assistant and PhD Student at ISR:
***    Instituto de Sistemas e Robotica, Polo de Lisboa
***     Instituto Superior Tecnico, Lisboa, PORTUGAL
*** PGP fingerprint = 0119 AD13 9EEE 264A 3F10  31D3 89B3 C6C4 60C6 4585

Re: MemShared == 0 ?

[Claudio Martins]

On Monday 25 June 2001 11:21, Rodrigo Ventura wrote:
> /proc> cat version meminfo
> Linux version 2.4.6-pre3 (yoda@damasio) (gcc version 2.95.2 19991024
> (release)) #3 Mon Jun 18 19:00:11 WEST 2001 total:    used:    free: 
> shared: buffers:  cached:
> Mem:  261779456 256925696  4853760        0 134025216 82280448
> Swap: 271425536 10993664 260431872     ^^^^
> MemTotal:       255644 kB                  \
> MemFree:          4740 kB                   \
> MemShared:           0 kB  <<<<<<<<<< **** What's the meaning of this?
> ***** Buffers:        130884 kB
>

  From the discussion I've read elsewhere in this list, it means that this 
value is just not computed anymore and is kept at 0 for compatibility with 
old programs that parse this table. It seems that presenting this number was 
computationaly expensive for the kernel.

regards
cumprimentos

  Claudio

Re: MemShared == 0 ?

[Erik Mouw]

On Mon, Jun 25, 2001 at 11:21:55AM +0100, Rodrigo Ventura wrote:
> /proc> cat version meminfo
> Linux version 2.4.6-pre3 (yoda@damasio) (gcc version 2.95.2 19991024 (release)) #3 Mon Jun 18 19:00:11 WEST 2001
>         total:    used:    free:  shared: buffers:  cached:
> Mem:  261779456 256925696  4853760        0 134025216 82280448
> Swap: 271425536 10993664 260431872     ^^^^
> MemTotal:       255644 kB                  \
> MemFree:          4740 kB                   \
> MemShared:           0 kB  <<<<<<<<<< **** What's the meaning of this? *****

Check the lkml FAQ: http://www.tux.org/lkml/#s14-3


Erik

-- 
J.A.K. (Erik) Mouw, Information and Communication Theory Group, Department
of Electrical Engineering, Faculty of Information Technology and Systems,
Delft University of Technology, PO BOX 5031,  2600 GA Delft, The Netherlands
Phone: +31-15-2783635  Fax: +31-15-2781843  Email: J.A.K.Mouw@its.tudelft.nl
WWW: http://www-ict.its.tudelft.nl/~erik/