Re: More on the ia64 pipe filling problem
David Mosberger-Tang <[email protected]> Wed, 12 Oct 2005 10:45:16 -0700
| Newsgroups | gmane.linux.lsb.test-suite |
|---|---|
| Message-ID | <ed5aea430510121045g47044d05j3e0b1a6389d57076__34078.8546171554$1129730827$gmane$org@mail.gmail.com> |
On 10/11/05, Jeff Licquia <[email protected]> wrote: > It could be simply asserted that ia64 kernels must be configured with 4K > page sizes in order to be LSB compliant. That doesn't sound very > useful. I imagine there is a benefit to larger page sizes, or the > option wouldn't be available. Certainly not acceptable. TLB pressure is way bigger with 4KB pages and causes measurable performance degradation. I suspect you'll want to ask Linus' opinion since he's the author of the code in question (AFAIK). --david -- Mosberger Consulting LLC, voice/fax: 510-744-9372, http://www.mosberger-consulting.com/ 35706 Runckel Lane, Fremont, CA 94536