On Mon 26-11-18 17:33:32, William Kucharski wrote: > > > This determines whether the page can theoretically be THP-mapped , but > is the intention to also check for proper alignment and/or preexisting > PAGESIZE page cache mappings for the address range?
This is only about the process wide flag to disable THP. I do not see how this can be alighnement related. I suspect you wanted to ask in the smaps patch? > I'm having to deal with both these issues in the text page THP > prototype I've been working on for some time now. Could you be more specific about the issue and how the alignment comes into the game? The only thing I can think of is to not report VMAs smaller than the THP as eligible. Is this what you are looking for? -- Michal Hocko SUSE Labs
