Re: [PATCH 1/2] kselftest: mm: prevent random failure of huge page split for khugepaged
"Zi Yan" <[email protected]>
| Newsgroups | org.kernel.vger.linux-kselftest,org.kernel.vger.linux-kernel,org.kvack.linux-mm |
|---|---|
| Message-ID | <[email protected]> |
On Thu Aug 20, 2026 at 3:40 PM EDT, Yeoreum Yun wrote: > There're some random failure for split_huge_page_test when khugepaged > collapses pages into pmd again which had split by the test. > > Prevent the khugepaged's collapses for split page by setting the > mapped pmd-huge-page with MADV_NOHUGEPAGE before split. Why not disable khugepaged using APIs from hugepage_setting.h? > > Reported-by: Kevin Brodsky <[email protected]> > Signed-off-by: Yeoreum Yun <[email protected]> > --- > tools/testing/selftests/mm/split_huge_page_test.c | 11 +++++++++++ > 1 file changed, 11 insertions(+) > -- Best Regards, Yan, Zi