On Wed, 2 Sep 2026 18:56:11 +0100 Yeoreum Yun <[email protected]> wrote:
> HPAGE_SIZE and HPAGE_SHIFT macro is written based on the 4KB PAGE_SIZE.
> When this macro is used in some test, test result would be strange in
> the system where PAGE_SIZE is more than 4KB.
>
> Here is example with transhuge-stress test with 16KB PAGE_SIZE:
>
> ...
>
> ok 1 Completed
>
> Remove the HPAGE_SIZE and HPAGE_SHIFT macro. and introduce hpshift()
> helper to get the HPAGE_SHIFT properly. For HPAGE_SIZE, use pre-exist
> helper, read_pmd_pagesize().
>
> Also, do KSM_MERGE_TIME_HUGE_PAGES test with size of 512 MiB which
> is the LCD pmd_size among 4KB, 16KB and 64KB page_size.
>
> After this patch, output of transhuge-stress:
>
> ...
>
> ok 1 Completed
Thanks. Sashiko made claims. The first looks legit, although minor:
https://sashiko.dev/#/patchset/[email protected]
