From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754080AbeDSQ2p (ORCPT ); Thu, 19 Apr 2018 12:28:45 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:52298 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753239AbeDSQ2m (ORCPT ); Thu, 19 Apr 2018 12:28:42 -0400 Date: Thu, 19 Apr 2018 12:28:41 -0400 (EDT) From: Mikulas Patocka X-X-Sender: mpatocka@file01.intranet.prod.int.rdu2.redhat.com To: Eric Dumazet cc: David Miller , Andrew Morton , linux-mm@kvack.org, 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 Subject: Re: [PATCH] kvmalloc: always use vmalloc if CONFIG_DEBUG_VM In-Reply-To: <6260a8af-3166-94d3-9441-104d342ab7a1@gmail.com> Message-ID: References: <3e65977e-53cd-bf09-bc4b-0ce40e9091fe@gmail.com> <20180418.134651.2225112489265654270.davem@davemloft.net> <6260a8af-3166-94d3-9441-104d342ab7a1@gmail.com> User-Agent: Alpine 2.02 (LRH 1266 2009-07-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 19 Apr 2018, Eric Dumazet wrote: > > > 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() ... Yes. There should be "falls back to vmalloc()". Mikulas