From: Andrew Morton akpm@linux-foundation.org Subject: mm/process_vm_access.c: include compat.h

mm/process_vm_access.c:277:5: error: implicit declaration of function 'in_compat_syscall'; did you mean 'in_ia32_syscall'? [-Werror=implicit-function-declaration]

Fixes: 38dc5079da7081e "Fix compat regression in process_vm_rw()" Reported-by: syzbot+5b0d0de84d6c65b8dd2b@syzkaller.appspotmail.com Cc: Kyle Huey me@kylehuey.com Cc: Jens Axboe axboe@kernel.dk Cc: Al Viro viro@zeniv.linux.org.uk Cc: Christoph Hellwig hch@lst.de Cc: stable@vger.kernel.org Signed-off-by: Andrew Morton akpm@linux-foundation.org ---

mm/process_vm_access.c | 1 + 1 file changed, 1 insertion(+)

--- a/mm/process_vm_access.c~mm-process_vm_accessc-include-compath +++ a/mm/process_vm_access.c @@ -9,6 +9,7 @@ #include <linux/mm.h> #include <linux/uio.h> #include <linux/sched.h> +#include <linux/compat.h> #include <linux/sched/mm.h> #include <linux/highmem.h> #include <linux/ptrace.h> _