From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934010Ab3AIU5V (ORCPT ); Wed, 9 Jan 2013 15:57:21 -0500 Received: from mx1.redhat.com ([209.132.183.28]:61162 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933735Ab3AIU5R (ORCPT ); Wed, 9 Jan 2013 15:57:17 -0500 Message-ID: <50EDD9A5.8060404@redhat.com> Date: Wed, 09 Jan 2013 15:57:09 -0500 From: Rik van Riel User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/17.0 Thunderbird/17.0 MIME-Version: 1.0 To: Michel Lespinasse CC: Benjamin Herrenschmidt , "James E.J. Bottomley" , Matt Turner , David Howells , Tony Luck , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Andrew Morton , linuxppc-dev@lists.ozlabs.org, linux-parisc@vger.kernel.org, linux-alpha@vger.kernel.org, linux-ia64@vger.kernel.org Subject: Re: [PATCH 6/8] mm: remove free_area_cache use in powerpc architecture References: <1357694895-520-1-git-send-email-walken@google.com> <1357694895-520-7-git-send-email-walken@google.com> In-Reply-To: <1357694895-520-7-git-send-email-walken@google.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 01/08/2013 08:28 PM, Michel Lespinasse wrote: > As all other architectures have been converted to use vm_unmapped_area(), > we are about to retire the free_area_cache. > > This change simply removes the use of that cache in > slice_get_unmapped_area(), which will most certainly have a > performance cost. Next one will convert that function to use the > vm_unmapped_area() infrastructure and regain the performance. > > Signed-off-by: Michel Lespinasse Acked-by: Rik van Riel