The patch titled Subject: uapi linux/coda.h: use __kernel_pid_t for userspace has been added to the -mm tree. Its filename is uapi-linux-codah-use-__kernel_pid_t-for-userspace.patch This patch should soon appear at http://ozlabs.org/~akpm/mmots/broken-out/uapi-linux-codah-use-__kernel_pid_t-for-userspace.patch and later at http://ozlabs.org/~akpm/mmotm/broken-out/uapi-linux-codah-use-__kernel_pid_t-for-userspace.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Mikko Rapeli <mikko.rapeli@xxxxxx> Subject: uapi linux/coda.h: use __kernel_pid_t for userspace Part of a patch by Mikko Rapeli, as Arnd Bergman commented on the original patch. pid_t might differ between libc and the kernel, so the kernel interface has to use types that the kernel defines. Link: http://lkml.kernel.org/r/f374a71f4d351bc8c8b3ac18ad7765c88d806d10.1558117389.git.jaharkes@xxxxxxxxxx Signed-off-by: Mikko Rapeli <mikko.rapeli@xxxxxx> Signed-off-by: Jan Harkes <jaharkes@xxxxxxxxxx> Cc: Arnd Bergmann <arnd@xxxxxxxx> Cc: Colin Ian King <colin.king@xxxxxxxxxxxxx> Cc: Dan Carpenter <dan.carpenter@xxxxxxxxxx> Cc: David Howells <dhowells@xxxxxxxxxx> Cc: Fabian Frederick <fabf@xxxxxxxxx> Cc: Sam Protsenko <semen.protsenko@xxxxxxxxxx> Cc: Yann Droneaud <ydroneaud@xxxxxxxxxx> Cc: Zhouyang Jia <jiazhouyang09@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- include/uapi/linux/coda.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/include/uapi/linux/coda.h~uapi-linux-codah-use-__kernel_pid_t-for-userspace +++ a/include/uapi/linux/coda.h @@ -295,8 +295,8 @@ struct coda_statfs { struct coda_in_hdr { u_int32_t opcode; u_int32_t unique; /* Keep multiple outstanding msgs distinct */ - pid_t pid; - pid_t pgid; + __kernel_pid_t pid; + __kernel_pid_t pgid; vuid_t uid; }; _ Patches currently in -mm which might be from mikko.rapeli@xxxxxx are uapi-linux-codah-use-__kernel_pid_t-for-userspace.patch uapi-linux-coda_psdevh-move-upc_req-definition-from-uapi-to-kernel-side-headers.patch