Re: [LI] maximum number of user process

[Arun Sharma <adsharma@xxxxxxxxxxxxxxx>]

On Wed, Dec 15, 1999 at 04:07:54PM +0530, linuxfan@xxxxxxxxxxx wrote:
> 
> I am having the default installation of RH 6.1
> is there any way to find out that
> 1)how many processes can the there for the user maximum.

In Linux 2.3.x:

	max_threads = memsize / THREAD_SIZE / 2;

Earlier, it used to be a compile time constant.

$ grep NR_TASKS /usr/include/linux/tasks.h
#define NR_TASKS        2560    /* On x86 Max 4092, or 4090 w/APM configured. */

> 2)can that be changed without building the kernel ?

No.

> 3)which way the upper limit can be put on the number of process the user
> is owning.
> 4) Can the process be restricted in terms of the memory size on the
> process.

man setrlimit.

	-Arun

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