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MemShared == 0 ?

DISCUSSION Rodrigo Ventura 3 participants 3 messages Jun 25, 2001

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#0 lore raw

/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,

Signature · 6 lines
*** Rodrigo Martins de Matos Ventura <[email protected]>
***  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
#1 lore raw
Quoted 11 lines · 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

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

#2 lore raw
In reply to Rodrigo Ventura
Quoted 8 lines · 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? *****

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Erik

Signature · 5 lines
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: [email protected]
WWW: http://www-ict.its.tudelft.nl/~erik/