From mboxrd@z Thu Jan 1 00:00:00 1970 From: npiggin@suse.de Subject: [patch 05/14] ia64: invoke oom-killer from page fault Date: Fri, 23 Apr 2010 02:06:18 +1000 Message-ID: <20100422161223.462054441@suse.de> References: <20100422160613.723698029@suse.de> Return-path: Received: from cantor.suse.de ([195.135.220.2]:52079 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753862Ab0DVQRi (ORCPT ); Thu, 22 Apr 2010 12:17:38 -0400 Content-Disposition: inline; filename=ia64-pagefault-use-oom.patch Sender: linux-arch-owner@vger.kernel.org List-ID: To: linux-arch@vger.kernel.org Cc: David Rientjes , Andrew Morton , linux-ia64@vger.kernel.org, Tony Luck As explained in commit 1c0fe6e3bd, we want to call the architecture independent oom killer when getting an unexplained OOM from handle_mm_fault, rather than simply killing current. Cc: linux-ia64@vger.kernel.org Cc: Tony Luck Cc: linux-arch@vger.kernel.org Signed-off-by: Nick Piggin --- Index: linux-2.6/arch/ia64/mm/fault.c =================================================================== --- linux-2.6.orig/arch/ia64/mm/fault.c +++ linux-2.6/arch/ia64/mm/fault.c @@ -276,13 +276,7 @@ ia64_do_page_fault (unsigned long addres out_of_memory: up_read(&mm->mmap_sem); - if (is_global_init(current)) { - yield(); - down_read(&mm->mmap_sem); - goto survive; - } - printk(KERN_CRIT "VM: killing process %s\n", current->comm); - if (user_mode(regs)) - do_group_exit(SIGKILL); - goto no_context; + if (!user_mode(regs)) + goto no_context; + pagefault_out_of_memory(); }