Joe Lewinski said:
> Hello,
>
> I have a 2.4.7-10 #1 kernel that appears to not share program
> code (i.e. text for processes running identical programs).

> Notice the "0K shrd" (meaning ZERO K).
>
> Is there a tunable parameter that enables / disables the kernel to share
> program text?

this is normal. 2.4.x doesn't report shared memory in a way that
is reportable by top/free/snmp. The kernel does have shared memory
support, without such support I think most programs would cease
to function :)

/dev/shm (tmpfs filesystem) seems to be the future, it provides
SYSV shared memory, but from what I read, not many things use
SYSV shared memory yet.. POSIX shared memory is provided elsewhere.

I am uncertain how to measure shared memory on a linux 2.4.x system.

run google searches for 'shared memory linux 2.4' and 'shm filesystem'
and some variations if you need more info. but the information your
seeing is considered normal, and there is shared memory support in
the kernel. so no need to panic.


nate




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