Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754590Ab1DZFt2 (ORCPT ); Tue, 26 Apr 2011 01:49:28 -0400 Received: from mail-ww0-f42.google.com ([74.125.82.42]:54372 "EHLO mail-ww0-f42.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752963Ab1DZFt1 convert rfc822-to-8bit (ORCPT ); Tue, 26 Apr 2011 01:49:27 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:content-type :content-transfer-encoding; b=aNTZuL82vYAPHDtF5yRi6Fqnxq88Wyd2OEhnG3nOh5qTSAAoYsg++Ztkn0vmyZfaAb H5eCNTWR6B7AZW9SZgN8XyDW/vq90LYAOWpANw849FvXCpr4OV8vOOrdnO5bgHva+mMo 2vS3lMb+N64Lb4TWgV97rHMIEuStheBc/P9Ys= MIME-Version: 1.0 Date: Tue, 26 Apr 2011 13:49:25 +0800 Message-ID: Subject: readahead and oom From: Dave Young To: linux-mm , Linux Kernel Mailing List , Wu Fengguang Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 421 Lines: 14 Hi, When memory pressure is high, readahead could cause oom killing. IMHO we should stop readaheading under such circumstances。If it's true how to fix it? -- Regards dave -- 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/