Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1763340AbXFERtW (ORCPT ); Tue, 5 Jun 2007 13:49:22 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756438AbXFERsx (ORCPT ); Tue, 5 Jun 2007 13:48:53 -0400 Received: from e32.co.us.ibm.com ([32.97.110.150]:34434 "EHLO e32.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755950AbXFERsw (ORCPT ); Tue, 5 Jun 2007 13:48:52 -0400 From: Will Schmidt Subject: [PATCH 2/3] [PATCH powerpc] during VM oom condition, kill all threads in process group To: linux-kernel@vger.kernel.org Cc: anton@samba.org, liuxppc-dev@ozlabs.org, will_schmidt@vnet.ibm.com Date: Tue, 05 Jun 2007 12:48:38 -0500 Message-ID: <20070605174838.21740.55720.stgit@farscape.rchland.ibm.com> In-Reply-To: <20070605174831.21740.33119.stgit@farscape.rchland.ibm.com> References: <20070605174831.21740.33119.stgit@farscape.rchland.ibm.com> User-Agent: StGIT/0.12.1 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 981 Lines: 36 When we get into a state where VM has ran out of memory, and it's time to thwack a process, we should take out the entire process group, rather than just one thread. Tested on POWER5. Signed-off-by: Will Schmidt --- arch/powerpc/mm/fault.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-) diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c index 03aeb3a..9afe871 100644 --- a/arch/powerpc/mm/fault.c +++ b/arch/powerpc/mm/fault.c @@ -392,8 +392,10 @@ out_of_memory: goto survive; } printk("VM: killing process %s\n", current->comm); - if (user_mode(regs)) + if (user_mode(regs)) { + zap_other_threads(current); do_exit(SIGKILL); + } return SIGKILL; do_sigbus: - 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/