From 9b375adb398493f096d776721caac8fe26bfb2b7 Mon Sep 17 00:00:00 2001 From: Zach O'Keefe Date: Tue, 9 Sep 2025 12:05:34 -0700 Subject: [PATCH] selftests/mm: remove PROT_EXEC req from file-collapse tests As of v6.8 commit 7fbb5e188248 ("mm: remove VM_EXEC requirement for THP eligibility") thp collapse no longer requires file-backed mappings be created with PROT_EXEC. Remove the overly-strict dependency from thp collapse tests so we test the least-strict requirement for success. Link: https://lkml.kernel.org/r/20250909190534.512801-1-zokeefe@google.com Signed-off-by: Zach O'Keefe Reviewed-by: Baolin Wang Acked-by: David Hildenbrand Reviewed-by: Dev Jain Cc: Liam Howlett Cc: Lorenzo Stoakes Cc: Ryan Roberts Cc: Shuah Khan Cc: Zi Yan Signed-off-by: Andrew Morton --- tools/testing/selftests/mm/khugepaged.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/mm/khugepaged.c b/tools/testing/selftests/mm/khugepaged.c index a18c50d511418..3fe7ef04ac62e 100644 --- a/tools/testing/selftests/mm/khugepaged.c +++ b/tools/testing/selftests/mm/khugepaged.c @@ -394,7 +394,7 @@ static void *file_setup_area(int nr_hpages) perror("open()"); exit(EXIT_FAILURE); } - p = mmap(BASE_ADDR, size, PROT_READ | PROT_EXEC, + p = mmap(BASE_ADDR, size, PROT_READ, MAP_PRIVATE, finfo.fd, 0); if (p == MAP_FAILED || p != BASE_ADDR) { perror("mmap()"); -- 2.47.3