truss and /sbin/init

[Oliver Fromme]

Jens Trzaska <jt at barfoos.de> wrote:
 > David Kirchner <dpk at dpk.net> [2006-02-08 16:53]:
 > > The memory is apparently locked in core, according to the L flag for
 > > 'ps'. This should probably be documented in the truss man page to
 > > avoid confusion.
 > 
 > Does you or perhaps someone else know why init is locked in core? Its
 > not the case in 4.x and I can't see why a regular userspace process
 > is locked. 

It _is_ the case in 4.x:

$ uname -rs
FreeBSD 4.11-STABLE
$ ps -p 1
  PID  TT  STAT      TIME COMMAND
    1  ??  ILs    0:17.41 /sbin/init --

As for the reason:  Well, init(8) is special.  Its existence
is critical for the running system, so it cannot be paged
out to swap space.

Best regards
   Oliver

-- 
Oliver Fromme,  secnetix GmbH & Co. KG, Marktplatz 29, 85567 Grafing
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