From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752517AbeB1Md7 (ORCPT ); Wed, 28 Feb 2018 07:33:59 -0500 Received: from szxga05-in.huawei.com ([45.249.212.191]:5720 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752195AbeB1Md6 (ORCPT ); Wed, 28 Feb 2018 07:33:58 -0500 Subject: Re: [PATCH v4] Revert "f2fs crypto: avoid unneeded memory allocation in ->readdir" To: Jaegeuk Kim CC: , , , , , , , , References: <1519463698-60555-1-git-send-email-yunlong.song@huawei.com> <1519787857-107910-1-git-send-email-yunlong.song@huawei.com> <20180228054810.GB86647@jaegeuk-macbookpro.roam.corp.google.com> From: Yunlong Song Message-ID: <0a7fec6b-0f94-00f7-f5d4-8eac1f9cee73@huawei.com> Date: Wed, 28 Feb 2018 20:32:20 +0800 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.2.1 MIME-Version: 1.0 In-Reply-To: <20180228054810.GB86647@jaegeuk-macbookpro.roam.corp.google.com> Content-Type: text/plain; charset="utf-8"; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [10.111.220.140] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2018/2/28 13:48, Jaegeuk Kim wrote: > Hi Yunlong, > > As Eric pointed out, how do you think using nohighmem for directory likewise > ext4, which looks like more efficient? OK, I have sent out another patch like this. Actually, we don't need to do this in > most of recent kernels, right? > Why? I have got this panic using arm with recent kernel.