Re: [PATCH 01/16] selftests/mm: move is_backed_by_folio() into vm_util

[Mike Rapoport]

On Sun, 02 Aug 2026 20:52:33 +0100, Kiryl Shutsemau <kirill@xxxxxxxxxxxxx> wrote:
> The khugepaged selftest is about to gain mTHP collapse coverage, which
> needs to verify that a VA range is backed by a folio of a given order.
> split_huge_page_test.c already has the building block for that:
> is_backed_by_folio() classifies the folio backing a page via
> /proc/kpageflags compound head/tail flags.
> 
> Move it into vm_util so other tests can use it. No functional change.
> 
> [...]

Acked-by: Mike Rapoport (Microsoft) <rppt@xxxxxxxxxx>

-- 
Sincerely yours,
Mike.