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Date: Wed, 9 Mar 2022 11:26:17 -0500 From: Sasha Levin <sashal@...nel.org> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org Cc: Chengming Zhou <zhouchengming@...edance.com>, Shuah Khan <skhan@...uxfoundation.org>, Andrew Morton <akpm@...ux-foundation.org>, Linus Torvalds <torvalds@...ux-foundation.org>, Sasha Levin <sashal@...nel.org>, shuah@...nel.org, linux-mm@...ck.org, linux-kselftest@...r.kernel.org Subject: [PATCH AUTOSEL 4.14 12/12] kselftest/vm: fix tests build with old libc From: Chengming Zhou <zhouchengming@...edance.com> [ Upstream commit b773827e361952b3f53ac6fa4c4e39ccd632102e ] The error message when I build vm tests on debian10 (GLIBC 2.28): userfaultfd.c: In function `userfaultfd_pagemap_test': userfaultfd.c:1393:37: error: `MADV_PAGEOUT' undeclared (first use in this function); did you mean `MADV_RANDOM'? if (madvise(area_dst, test_pgsize, MADV_PAGEOUT)) ^~~~~~~~~~~~ MADV_RANDOM This patch includes these newer definitions from UAPI linux/mman.h, is useful to fix tests build on systems without these definitions in glibc sys/mman.h. Link: https://lkml.kernel.org/r/20220227055330.43087-2-zhouchengming@bytedance.com Signed-off-by: Chengming Zhou <zhouchengming@...edance.com> Reviewed-by: Shuah Khan <skhan@...uxfoundation.org> Signed-off-by: Andrew Morton <akpm@...ux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@...ux-foundation.org> Signed-off-by: Sasha Levin <sashal@...nel.org> --- tools/testing/selftests/vm/userfaultfd.c | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/testing/selftests/vm/userfaultfd.c b/tools/testing/selftests/vm/userfaultfd.c index 1963440f6725..b2c7043c0c30 100644 --- a/tools/testing/selftests/vm/userfaultfd.c +++ b/tools/testing/selftests/vm/userfaultfd.c @@ -60,6 +60,7 @@ #include <signal.h> #include <poll.h> #include <string.h> +#include <linux/mman.h> #include <sys/mman.h> #include <sys/syscall.h> #include <sys/ioctl.h> -- 2.34.1
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