From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,MAILING_LIST_MULTI,T_DKIMWL_WL_HIGH,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by aws-us-west-2-korg-lkml-1.web.codeaurora.org (Postfix) with ESMTP id 4350AC5CFF0 for ; Mon, 11 Jun 2018 17:40:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D35C4208B1 for ; Mon, 11 Jun 2018 17:40:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="gJGKPkmc" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D35C4208B1 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933191AbeFKRkN (ORCPT ); Mon, 11 Jun 2018 13:40:13 -0400 Received: from mail.kernel.org ([198.145.29.99]:60522 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932409AbeFKRkM (ORCPT ); Mon, 11 Jun 2018 13:40:12 -0400 Received: from localhost (unknown [104.132.1.88]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id AB8EC208AF; Mon, 11 Jun 2018 17:40:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1528738811; bh=BjTLVx0gJR1Gqb/0vbV4Kayt14EoOw4+dGTEZaLYQgc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=gJGKPkmcNqRaHEJbQOZT0CYgBzj9+/0jlWtESN1Q1jE5+RKfKn3z/mw2ncNetOs+l SJwbtwzi2K1NVTpsXVm+4jke07BrnQzu0GE1aw+/H9EMojqnFfWEdnh0RD+/hr3dTx C+ssQDs8/eQIHMs05eLF68zuPHPeoGnsVtAevkVo= Date: Mon, 11 Jun 2018 10:40:10 -0700 From: Jaegeuk Kim To: Linus Torvalds Cc: Matthew Wilcox , "Linux F2FS DEV, Mailing List" , Linux Kernel Mailing List Subject: Re: [GIT PULL] f2fs update for 4.18-rc1 Message-ID: <20180611174010.GC6783@jaegeuk-macbookpro.roam.corp.google.com> References: <20180611165212.GA6783@jaegeuk-macbookpro.roam.corp.google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.8.2 (2017-04-18) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 06/11, Linus Torvalds wrote: > On Mon, Jun 11, 2018 at 9:52 AM Jaegeuk Kim wrote: > > > > In order to avoid old MM bug [1], we decided not to use __GFP_ZERO > > for the mapping for node and meta page caches. > > > > [1] https://lkml.org/lkml/2018/4/8/661 > > Hmm. The patch there looks correct, and anybody who relies on slab > constructors is crazy. > > That email from April says it should go into stable, but it never even > went upstream.. Heh, I forgot to link the latest results. The MM fix was merged by: abc1be13fd11 ("mm/filemap.c: fix NULL pointer in page_cache_tree_insert()") Thanks, > > Adding Willy to the cc, for comments, since he's been active there and > is probably the maintainer even if the MAINTAINERS file doesn't say > so.. > > Willy? > > Linus