On Mon, May 23, 2016 at 03:40:36PM -0400, Joshua Kinard wrote: > > * THP still has issues on R1x000 CPUs, so user beware. YMMV. As of now I think you can remove the "on R1x000 CPUs, " part, it seems. > Might try some of those combinations and see if things improve on the Octeon? > IP27 was equally affected by this, minus the bits about RAM and Impact Gfx. > turning off THP, IP30 can run 64KB PAGE_SIZE without issue (compiles of > packages is actually sped up quite significantly under >4KB PAGE_SIZE). > > IP27 has a bug in it somewhere that causes an immediate Oops on 64KB PAGE_SIZE > that I haven't traced down yet (I have the Oops saved somewhere if needed). So > I use 16KB on that system. > An O2 w/ an RM7000 has virtually no issues at all with 64KB or 16KB PAGE_SIZE > and THP, though it's been several months since I last booted my O2. Rather different CPU and notably one that doesn't have any fancy anti-alias protection afair. Ralf
