Review request for 5049299

Florian Weimer fweimer at
Fri May 29 07:40:08 UTC 2009

* Andrew Haley:

> However, I think you don't want PROT_NONE whan a system has been configured
> with mode 2: in that case, a user has a reasonable expectation that
> they can use all of the memory they allocated at VM startup.  It makes
> more sense to allocate all the -Xms size immediately.

-Xms?  Or -Xmx?  The latter leads to problems if the maximum heap size
is relatively large.  Currently, -Xmx is reserved, and some software
fails to build on vm.overcommit_memory systems due to this.

Florian Weimer                <fweimer at>
BFK edv-consulting GmbH
Kriegsstraße 100              tel: +49-721-96201-1
D-76133 Karlsruhe             fax: +49-721-96201-99

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