Re: RSS Limit implementation issue

From: Bernd Eckenfels
Date: Thu Feb 09 2006 - 18:10:45 EST


Ram Gupta <ram.gupta5@xxxxxxxxx> wrote:
> planning to make a check for rss limit when setting up pte. If the
> limit is crossed I see couple of different ways of handling .
>
> 1. Kill the process . In this case there is no swapping problem.

This signal would happen on random page access, right?

> 2. Dont kill the process but dont allocate the memory & do yield as we
> do for init process. Modify the scheduler not to chose the process
> which has already allocated rss upto its limit.

Yes, that behaviour looks good. That would keep the system responsive.
Basically the same state as waiting for a page to be paged in.

(However a user based rss limit would be more interesting than process
based)

Gruss
Bernd
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