On Tue, 23 Oct 2001, Dave McCracken wrote:
> --On Tuesday, October 23, 2001 18:52:35 -0200 Rik van Riel
> <riel@conectiva.com.br> wrote:
>
> > I submitted a patch a while ago to set the number way lower,
> > which was accepted by Alan and in the -ac kernels. A few months
> > later Linus followed and changed the limit in his kernels, too.
>
> Ok, that's what I get for reading the comment and not deciphering the
> code...
*sigh* So my updated comment got backed out again ;/
Linus, what do you have against correct documentation ? ;)
> But there's still a problem. The value for mempages is all of physical
> memory including highmem, so a machine with a sufficient amount of high
> memory can set max_threads to a value way too high, given that most if not
> all of the resources it's trying to limit have to come from normal memory
> and not high memory.
Indeed, this needs to be fixed. A sane upper limit for
max_threads would be 10000, this also keeps in mind the
fact that we only have 32000 possible PIDs, some of which
could be taken by task groups, etc...
regards,
Rik
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