From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753929AbeDSQZx (ORCPT ); Thu, 19 Apr 2018 12:25:53 -0400 Received: from mail-pf0-f194.google.com ([209.85.192.194]:36358 "EHLO mail-pf0-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753676AbeDSQZv (ORCPT ); Thu, 19 Apr 2018 12:25:51 -0400 X-Google-Smtp-Source: AIpwx4+YfHdzlsHo5NKGXkMf2IYHOQx69BjCAwzcTuV2xNub2HT8ydBZLvvSqmDbk0pa2FVFHKpK1Q== Subject: Re: [PATCH] kvmalloc: always use vmalloc if CONFIG_DEBUG_VM To: Mikulas Patocka , David Miller , Andrew Morton , linux-mm@kvack.org Cc: eric.dumazet@gmail.com, edumazet@google.com, bhutchings@solarflare.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, mst@redhat.com, jasowang@redhat.com, virtualization@lists.linux-foundation.org, dm-devel@redhat.com, Vlastimil Babka References: <3e65977e-53cd-bf09-bc4b-0ce40e9091fe@gmail.com> <20180418.134651.2225112489265654270.davem@davemloft.net> From: Eric Dumazet Message-ID: <6260a8af-3166-94d3-9441-104d342ab7a1@gmail.com> Date: Thu, 19 Apr 2018 09:25:48 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.6.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 04/19/2018 09:12 AM, Mikulas Patocka wrote: > > > These bugs are hard to reproduce because vmalloc falls back to kmalloc > only if memory is fragmented. > This sentence is wrong. .... because kvmalloc() falls back to vmalloc() ...