UseLargePages and 1g page size?
linuxhippy at gmail.com
Thu Apr 10 13:20:11 PDT 2008
Sorry for asking a bit off-topic.
Doesn't hotspot use some places where e.g. it needs to set e.g. access
privilleges on a single page (e.g. for safepoint polling). So is for
e.g. the safepoint-page 1GB "wasted" in this case?
Thanks, lg Clemens
2008/4/8, John Coomes <John.Coomes at sun.com>:
> Jon Masamitsu (Jon.Masamitsu at Sun.COM) wrote:
> > Does UseLargePages currently work with 1g large
> > page size?
> > -XX:LargePageSizeInBytes=1073741824
> > This is on solaris amd64
> It should work, but AFAIK has not been tested.
> BTW, does solaris have support for 1G pages now? I wasn't sure it was
> available. If you have a box, pagesize -a will tell you.
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