Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758146AbbGHHCi (ORCPT ); Wed, 8 Jul 2015 03:02:38 -0400 Received: from mail-oi0-f43.google.com ([209.85.218.43]:33628 "EHLO mail-oi0-f43.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754091AbbGHHC0 (ORCPT ); Wed, 8 Jul 2015 03:02:26 -0400 MIME-Version: 1.0 In-Reply-To: <20150708064607.GB7079@osiris> References: <1436288623-13007-1-git-send-email-emunson@akamai.com> <1436288623-13007-3-git-send-email-emunson@akamai.com> <20150708064607.GB7079@osiris> Date: Wed, 8 Jul 2015 09:02:25 +0200 X-Google-Sender-Auth: vgROwd9gi1WQOCVKMrjq0QyXu08 Message-ID: Subject: Re: [PATCH V3 2/5] mm: mlock: Add new mlock, munlock, and munlockall system calls From: Geert Uytterhoeven To: Heiko Carstens Cc: Eric B Munson , Andrew Morton , Michal Hocko , Vlastimil Babka , alpha , "linux-kernel@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "adi-buildroot-devel@lists.sourceforge.net" , Cris , "linux-ia64@vger.kernel.org" , linux-m68k , Linux MIPS Mailing List , "moderated list:PANASONIC MN10300..." , Parisc List , "linuxppc-dev@lists.ozlabs.org" , linux-s390 , Linux-sh list , sparclinux , "linux-xtensa@linux-xtensa.org" , "linux-api@vger.kernel.org" , Linux-Arch , Linux MM Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1688 Lines: 44 On Wed, Jul 8, 2015 at 8:46 AM, Heiko Carstens wrote: >> diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S >> index 1acad02..f6d81d6 100644 >> --- a/arch/s390/kernel/syscalls.S >> +++ b/arch/s390/kernel/syscalls.S >> @@ -363,3 +363,6 @@ SYSCALL(sys_bpf,compat_sys_bpf) >> SYSCALL(sys_s390_pci_mmio_write,compat_sys_s390_pci_mmio_write) >> SYSCALL(sys_s390_pci_mmio_read,compat_sys_s390_pci_mmio_read) >> SYSCALL(sys_execveat,compat_sys_execveat) >> +SYSCALL(sys_mlock2,compat_sys_mlock2) /* 355 */ >> +SYSCALL(sys_munlock2,compat_sys_munlock2) >> +SYSCALL(sys_munlockall2,compat_sys_munlockall2) > > FWIW, you would also need to add matching lines to the two files > > arch/s390/include/uapi/asm/unistd.h > arch/s390/kernel/compat_wrapper.c > > so that the system call would be wired up on s390. Similar comment for m68k: arch/m68k/include/asm/unistd.h arch/m68k/include/uapi/asm/unistd.h I think you best look at the last commits that added system calls, for all architectures, to make sure you don't do partial updates. Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/