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Reuse the XFS image from split_huge_page_test. >> >> Signed-off-by: Zi Yan >> --- >> tools/testing/selftests/mm/khugepaged.c | 131 +++++++++++++++------= - >> tools/testing/selftests/mm/run_vmtests.sh | 12 +- >> 2 files changed, 102 insertions(+), 41 deletions(-) >> >> -static void file_fault(void *p, unsigned long start, unsigned long en= d) >> +static void file_fault_common(void *p, unsigned long start, unsigned = long end, >> + int madv_ops) >> { >> - if (madvise(((char *)p) + start, end - start, MADV_POPULATE_READ)) {= >> + if (madvise(((char *)p) + start, end - start, madv_ops)) { >> perror("madvise(MADV_POPULATE_READ"); > > Sashiko: > Since madv_ops can now be either MADV_POPULATE_READ or MADV_POPULATE_WR= ITE, > will this hardcoded error message be misleading if the write fault path= > fails? > > Answer: > Will send a fixup. This is the fixup: =46rom 76e301cf5198f33d07492e224ec627b94902b4b6 Mon Sep 17 00:00:00 2001 From: Zi Yan Date: Thu, 30 Apr 2026 11:22:30 -0400 Subject: [PATCH] selftests/mm: khugepaged perror fixup. Signed-off-by: Zi Yan --- tools/testing/selftests/mm/khugepaged.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/mm/khugepaged.c b/tools/testing/self= tests/mm/khugepaged.c index 80b913185c643..97b8fcc490c76 100644 --- a/tools/testing/selftests/mm/khugepaged.c +++ b/tools/testing/selftests/mm/khugepaged.c @@ -445,7 +445,10 @@ static void file_fault_common(void *p, unsigned long= start, unsigned long end, int madv_ops) { if (madvise(((char *)p) + start, end - start, madv_ops)) { - perror("madvise(MADV_POPULATE_READ"); + if (madv_ops =3D=3D MADV_POPULATE_READ) + perror("madvise(MADV_POPULATE_READ"); + else if (madv_ops =3D=3D MADV_POPULATE_WRITE) + perror("madvise(MADV_POPULATE_WRITE"); exit(EXIT_FAILURE); } } -- = 2.53.0 Best Regards, Yan, Zi