[Gllug] What does [permanent] mean in an lsmod listing?

[John Winters]

On Wed, 2006-01-04 at 17:24 +0000, Richard Jones wrote:
> On Wed, Jan 04, 2006 at 03:02:56PM +0000, John Winters wrote:
> [...]
> > How then I wonder does one decide which of the IDE modules is actually
> > doing the work?  I see no point in loading all the others, but hotplug
> > seems to sling them in regardless.
> 
> I guess you're running on a _really_ tight system where even 11 pages
> of RAM are important then :-)
> 
> > ide_disk               16640  4
> > ide_generic             1408  0 [permanent]
> > via82cxxx              12572  0 [permanent]
> 

Sorry - I didn't make myself quite clear.  Hotplug seems to be loading
*all* the ide modules, regardless of which one is appropriate and since
they now can't be unloaded they all stay.  I didn't include a full
listing last time.

ide_disk               16384  4
ide_generic             1408  0 [permanent]
via82cxxx              12572  0 [permanent]
trm290                  4228  0 [permanent]
triflex                 3840  0 [permanent]
slc90e66                5504  0 [permanent]
sis5513                14600  0 [permanent]
siimage                11136  0 [permanent]
serverworks             8712  0 [permanent]
sc1200                  7040  0 [permanent]
rz1000                  2816  0 [permanent]
piix                    9860  0 [permanent]
pdc202xx_old           10368  0 [permanent]
opti621                 4228  0 [permanent]
ns87415                 4296  0 [permanent]
hpt366                 17920  0 [permanent]
hpt34x                  5120  0 [permanent]
generic                 4612  0 [permanent]
cy82c693                4612  0 [permanent]
cs5530                  5248  0 [permanent]
cs5520                  4736  0 [permanent]
cmd64x                 10908  0 [permanent]
atiixp                  5776  0 [permanent]
amd74xx                13468  0 [permanent]
alim15x3               11148  0 [permanent]
aec62xx                 7040  0 [permanent]
pdc202xx_new            8192  0 [permanent]
ide_core              114912  28
ide_cd,ide_disk,ide_generic,via82cxxx,trm290,triflex,slc90e66,sis5513,siimage,serverworks,sc1200,rz1000,piix,pdc202xx_old,opti621,ns87415,hpt366,hpt34x,generic,cy82c693,cs5530,cs5520,cmd64x,atiixp,amd74xx,alim15x3,aec62xx,pdc202xx_new

It's not so much that I mind them taking up memory, as that I want to
take them out of my kernel configuration so they don't waste time being
compiled each time I re-build my kernel.  I remember when I could
compile the kernel for my Dual-PII 450MHz box in just under 5 minutes.
Now a default Sarge kernel takes more like 2 hours on a much faster
system.  (Although this slightly old Athlon box seems to have been
greatly encouraged by the installation of a new 300GB hard ATA hard
drive and now out-performs its big brother which uses SATA.)

John

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