Re: [PATCH] Convert pgtable cache to slab

David Mosberger
2005-02-15T19:46:21Z

>>>>> On Tue, 15 Feb 2005 13:31:48 -0600, Robin Holt <holt@sgi.com> said:

Robin> Is there a strong objection to implementing 4 levels of 16k
Robin> page tables for now and then, if someone else sees a need,
Robin> convert to using long page table format and adjust page
Robin> tables as needed at that point in time.

I certainly don't want to switch my machines to 4-levels. There is
zero need for that on the machines I use, so why pay the overhead of
an extra level?

BTW: why do you want 4-level/16KB over 3-level/64KB?

--david