Messages in this thread | | | Date | Tue, 17 Apr 2018 16:22:48 -0700 | From | Matthew Wilcox <> | Subject | Re: [RFC PATCH] fs: introduce ST_HUGE flag and set it to tmpfs and hugetlbfs |
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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.
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