Re: [PATCH v3 2/4] mm/hwpoison: check if a subpage of a hugetlb folio is raw HWPOISON

[Matthew Wilcox]

On Fri, Jul 07, 2023 at 08:19:02PM +0000, Jiaqi Yan wrote:
> Add the functionality, is_raw_hwp_subpage, to tell if a subpage of a

This is incorrect naming.  "subpage" was needed before we had the
folio concept, but it should not be used any more.  We have folios
and pages now.

Also, abbreviating "hwpoison" as "hwp" seems like a bad idea to me.
hwp is already used as an acronym by acpi, intel_pstate, some clock
drivers, an ethernet driver, and a scsi driver.