Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1765008AbXFERtg (ORCPT ); Tue, 5 Jun 2007 13:49:36 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757160AbXFERsx (ORCPT ); Tue, 5 Jun 2007 13:48:53 -0400 Received: from e36.co.us.ibm.com ([32.97.110.154]:37251 "EHLO e36.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756272AbXFERsw (ORCPT ); Tue, 5 Jun 2007 13:48:52 -0400 From: Will Schmidt Subject: [PATCH 3/3] [PATCH x86_64] 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 12:48:44 -0500 Message-ID: <20070605174843.21740.14223.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: 947 Lines: 34 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. Signed-off-by: Will Schmidt --- arch/x86_64/mm/fault.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-) diff --git a/arch/x86_64/mm/fault.c b/arch/x86_64/mm/fault.c index 6ada723..2a3060e 100644 --- a/arch/x86_64/mm/fault.c +++ b/arch/x86_64/mm/fault.c @@ -562,8 +562,10 @@ out_of_memory: goto again; } printk("VM: killing process %s\n", tsk->comm); - if (error_code & 4) + if (error_code & 4) { + zap_other_threads(tsk); do_exit(SIGKILL); + } goto no_context; 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/