[ Dropping Roger He, his e-mail address seems to bounce ] On 2018-04-27 04:51 AM, zhoucm1 wrote: > On 2018å¹´04æ??26æ?¥ 23:06, Michel Dänzer wrote: >> From: Michel Dänzer <michel.daenzer at amd.com> >> >> When it's set, TTM tries to allocate huge pages if possible. > Do you mean original driver doesn't do this? > From the code, driver always try huge pages if > CONFIG_TRANSPARENT_HUGEPAGE is enabled. Right, before this change, TTM would do this unconditionally for all drivers. The point of this change is not to incur any huge page related overhead for drivers which can't take advantage of huge pages anyway. I'll try changing the commit log to make this clearer in v2. -- Earthling Michel Dänzer | http://www.amd.com Libre software enthusiast | Mesa and X developer
