Re: 3.5+0.5GB user/kernel split - supported in EL-3.0??
Ramki Balasubramanian <ramkib-HKixBCOQz3hWk0Htik3J/[email protected]>
| Newsgroups | gmane.linux.redhat.taroon |
|---|---|
| Message-ID | <[email protected]> |
Thanks for the response! I have two followup questions. On Wed, Sep 10, 2003 at 05:11:37PM -0400, Rik van Riel wrote: > On Wed, 10 Sep 2003, Ramki Balasubramanian wrote: > > > 1. Is a non-PAE kernel available for use in RHEL-3.0? > > the kernel rpms I see are all labeled "ent" and have the HIGHMEM64 > > turned on. > Yes. Both the -boot kernel and the UP kernel don't have PAE. We could really use CONFIG_SMP and HIGHMEM4G (not HIGHMEM64G), but I'm assuming there's some rationale behind redhat not choosing to have this option? > > 2. Is the 3.5GB/0.5GB patch compatible with redhat's kernel for > > RHEL-3.0 release kernel version? > > I bet you could fold it into the kernel source if you really > really wanted, but obviously it won't be something that's > going to be supported by Red Hat. > > If you want more than 3GB address space for your programs, > you can just use the 4/4 split kernel, which gives you a > full 3.9 GB of program address space... This was reported (earlier in this list) to have about 20-30% penalty. What would be the best option for someone to keep the > 3GB userspace access and minimize the penalty? once again, thanks for your response! Ramki (ramkib-HKixBCOQz3hWk0Htik3J/[email protected]) ----------------------------------------------------------- Three virtues of programming: laziness, impatience, hubris Three virtues of community : diligence, patience, humility -- Larry Wall, Author of perl -- Taroon-beta-list mailing list [email protected] http://www.redhat.com/mailman/listinfo/taroon-beta-list