On Wed, Apr 18, 2018 at 05:08:13AM +0800, Yang Shi wrote: > When applications use huge page on hugetlbfs, it just need check the > filesystem magic number, but it is not enough for tmpfs. So, introduce > ST_HUGE flag to statfs if super block has SB_HUGE set which indicates > huge page is supported on the specific filesystem. Hm. What's the plan for communicating support for page sizes other than PMD page sizes? I know ARM has several different page sizes, as do PA-RISC and ia64. Even x86 might support 1G page sizes through tmpfs one day.
