Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965891AbaLMIDK (ORCPT ); Sat, 13 Dec 2014 03:03:10 -0500 Received: from mail-lb0-f178.google.com ([209.85.217.178]:46784 "EHLO mail-lb0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965655AbaLMIDI (ORCPT ); Sat, 13 Dec 2014 03:03:08 -0500 MIME-Version: 1.0 Date: Sat, 13 Dec 2014 13:33:07 +0530 Message-ID: Subject: need help to clear kernel (2.6.16.17) cached memory From: Manish Yadav To: linux-kernel Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, on my system (based on 2.6.16.17), i am trying to clear the cached memory but it is not being cleared. mars# free -m total used free shared buffers cached Mem: 925 459 465 0 0 231 -/+ buffers/cache: 228 697 Swap: 0 0 0 mars# sync && echo 3 > /proc/sys/vm/drop_caches M1450-mrakesh# free -m total used free shared buffers cached Mem: 925 459 466 0 0 231 -/+ buffers/cache: 227 697 Swap: 0 0 0 mars# could you please let me know what i am missing here? as per my investigation writing 3 to drop_caches should clear the cached memory. thanks, manish -- 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/