Hello T.J.,
On Tue, 8 Apr 2025 23:02:02 +0000, "T.J. Mercier" <tjmerc...@google.com> wrote:
> pid_max.c: In function ‘pid_max_cb’:
> pid_max.c:42:15: error: implicit declaration of function ‘mount’
> [-Wimplicit-function-declaration]
> 42 | ret = mount("", "/", NULL, MS_PRIVATE | MS_REC, 0);
> | ^~~~~
> pid_max.c:42:36: error: ‘MS_PRIVATE’ undeclared (first use in this
> function); did you mean ‘MAP_PRIVATE’?
> 42 | ret = mount("", "/", NULL, MS_PRIVATE | MS_REC, 0);
> | ^~~~~~~~~~
> | MAP_PRIVATE
> pid_max.c:42:49: error: ‘MS_REC’ undeclared (first use in this function)
> 42 | ret = mount("", "/", NULL, MS_PRIVATE | MS_REC, 0);
> | ^~~~~~
> pid_max.c:48:9: error: implicit declaration of function ‘umount2’; did
> you mean ‘SYS_umount2’? [-Wimplicit-function-declaration]
> 48 | umount2("/proc", MNT_DETACH);
> | ^~~~~~~
> | SYS_umount2
> pid_max.c:48:26: error: ‘MNT_DETACH’ undeclared (first use in this
> function)
> 48 | umount2("/proc", MNT_DETACH);
>
> Fixes: 615ab43b838b ("tests/pid_namespace: add pid_max tests")
> Signed-off-by: T.J. Mercier <tjmerc...@google.com>
> ---
> tools/testing/selftests/pid_namespace/pid_max.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/tools/testing/selftests/pid_namespace/pid_max.c
> b/tools/testing/selftests/pid_namespace/pid_max.c
> index 51c414faabb0..96f274f0582b 100644
> --- a/tools/testing/selftests/pid_namespace/pid_max.c
> +++ b/tools/testing/selftests/pid_namespace/pid_max.c
> @@ -10,6 +10,7 @@
> #include <stdlib.h>
> #include <string.h>
> #include <syscall.h>
> +#include <sys/mount.h>
> #include <sys/wait.h>
>
> #include "../kselftest_harness.h"
Predated patch already available, see
https://lore.kernel.org/linux-kselftest/20250115105211.390370-3-ps.rep...@gmx.net/
Regards,
Peter
