From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f45.google.com (mail-pa0-f45.google.com [209.85.220.45]) by kanga.kvack.org (Postfix) with ESMTP id CF9446B0259 for ; Tue, 8 Sep 2015 16:43:43 -0400 (EDT) Received: by padhy16 with SMTP id hy16so131505762pad.1 for ; Tue, 08 Sep 2015 13:43:43 -0700 (PDT) Received: from mx1.redhat.com (mx1.redhat.com. [209.132.183.28]) by mx.google.com with ESMTPS id po1si298201pbb.77.2015.09.08.13.43.36 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 08 Sep 2015 13:43:37 -0700 (PDT) From: Andrea Arcangeli Subject: [PATCH 12/12] userfaultfd: register uapi generic syscall (aarch64) Date: Tue, 8 Sep 2015 22:43:30 +0200 Message-Id: <1441745010-14314-13-git-send-email-aarcange@redhat.com> In-Reply-To: <1441745010-14314-1-git-send-email-aarcange@redhat.com> References: <1441745010-14314-1-git-send-email-aarcange@redhat.com> Sender: owner-linux-mm@kvack.org List-ID: To: Andrew Morton , linux-mm@kvack.org Cc: Pavel Emelyanov , zhang.zhanghailiang@huawei.com, Dave Hansen , Rik van Riel , "Dr. David Alan Gilbert" , "Huangpeng (Peter)" , Michael Ellerman , Bamvor Zhang Jian , Bharata B Rao , Geert Uytterhoeven From: "Dr. David Alan Gilbert" Add the userfaultfd syscalls to uapi asm-generic, it was tested with postcopy live migration on aarch64 with both 4k and 64k pagesize kernels. Signed-off-by: Dr. David Alan Gilbert Signed-off-by: Andrea Arcangeli --- include/uapi/asm-generic/unistd.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/include/uapi/asm-generic/unistd.h b/include/uapi/asm-generic/unistd.h index e016bd9..5e97468 100644 --- a/include/uapi/asm-generic/unistd.h +++ b/include/uapi/asm-generic/unistd.h @@ -709,9 +709,11 @@ __SYSCALL(__NR_memfd_create, sys_memfd_create) __SYSCALL(__NR_bpf, sys_bpf) #define __NR_execveat 281 __SC_COMP(__NR_execveat, sys_execveat, compat_sys_execveat) +#define __NR_userfaultfd 282 +__SYSCALL(__NR_userfaultfd, sys_userfaultfd) #undef __NR_syscalls -#define __NR_syscalls 282 +#define __NR_syscalls 283 /* * All syscalls below here should go away really, -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org