Re: none

[ebiederm+eric@ccr.net (Eric W. Biederman)]

>>>>> "leiyin" == root  <root@ns.senbell.com.cn> writes:

leiyin> I am leiyin, a software engineer in china, beijing. I am interested
leiyin> in Linux memory management these day. Since I find an ordinary user
leiyin> can easily occupy all the memory available. Though I don't think this is 
leiyin> a bug. I wonder whether I can control how much memory a user can occup
leiyin> ,including swap space, or not.

yes.

The kernel interface is setrlimit, the user interface is usually
through the shell ulimit command.
The only per user limit I know of is number of processes.
The rest of the limits, stack size, virtual memory size etc, are per processs.

leiyin> Especially in AS400 OS/400 one can distribute a fixed size physical memory
leiyin> (pool) for a subsystem. If Linux can do this( I mean a fixed size memory for
leiyin> a user not subsystem), I think linux will become more lovely.


leiyin> Address:leiyin_linux@163.net
Your might want to set this in your reply to header.

Eric
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