Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754003AbZK0XId (ORCPT ); Fri, 27 Nov 2009 18:08:33 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753093AbZK0XIT (ORCPT ); Fri, 27 Nov 2009 18:08:19 -0500 Received: from server1.wserver.cz ([82.113.45.157]:60480 "EHLO server1.wserver.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753670AbZK0XGG (ORCPT ); Fri, 27 Nov 2009 18:06:06 -0500 From: Jiri Slaby To: jirislaby@gmail.com Cc: mingo@elte.hu, nhorman@tuxdriver.com, sfr@canb.auug.org.au, linux-kernel@vger.kernel.org, akpm@linux-foundation.org, marcin.slusarz@gmail.com, tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com, torvalds@linux-foundation.org, oleg@redhat.com, James Morris , Heiko Carstens , Martin Schwidefsky , linux390@de.ibm.com, linux-s390@vger.kernel.org Subject: [PATCH v3 17/27] S390: use helpers for rlimits Date: Sat, 28 Nov 2009 00:05:57 +0100 Message-Id: <1259363167-9347-17-git-send-email-jslaby@suse.cz> X-Mailer: git-send-email 1.6.5.3 In-Reply-To: <1259363167-9347-1-git-send-email-jslaby@suse.cz> References: <1259363167-9347-1-git-send-email-jslaby@suse.cz> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1593 Lines: 50 Make sure compiler won't do weird things with limits. E.g. fetching them twice may return 2 different values after writable limits are implemented. I.e. either use newly added rlimit helpers or ACCESS_ONCE if not applicable. Signed-off-by: Jiri Slaby Cc: James Morris Cc: Heiko Carstens Cc: Andrew Morton Cc: Ingo Molnar Cc: Martin Schwidefsky Cc: Heiko Carstens Cc: linux390@de.ibm.com Cc: linux-s390@vger.kernel.org --- arch/s390/mm/mmap.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/s390/mm/mmap.c b/arch/s390/mm/mmap.c index f4558cc..0acf3aa 100644 --- a/arch/s390/mm/mmap.c +++ b/arch/s390/mm/mmap.c @@ -40,7 +40,7 @@ static inline unsigned long mmap_base(void) { - unsigned long gap = current->signal->rlim[RLIMIT_STACK].rlim_cur; + unsigned long gap = rlim_get_cur(RLIMIT_STACK); if (gap < MIN_GAP) gap = MIN_GAP; @@ -61,7 +61,7 @@ static inline int mmap_is_legacy(void) #endif return sysctl_legacy_va_layout || (current->personality & ADDR_COMPAT_LAYOUT) || - current->signal->rlim[RLIMIT_STACK].rlim_cur == RLIM_INFINITY; + rlim_get_cur(RLIMIT_STACK) == RLIM_INFINITY; } #ifndef CONFIG_64BIT -- 1.6.5.3 -- 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/