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=-5.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 391DCFA372A for ; Wed, 16 Oct 2019 12:56:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 175712168B for ; Wed, 16 Oct 2019 12:56:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2393330AbfJPM4s (ORCPT ); Wed, 16 Oct 2019 08:56:48 -0400 Received: from foss.arm.com ([217.140.110.172]:39214 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731287AbfJPM4r (ORCPT ); Wed, 16 Oct 2019 08:56:47 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 35A5428; Wed, 16 Oct 2019 05:56:47 -0700 (PDT) Received: from arrakis.emea.arm.com (unknown [10.1.196.49]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 53F393F68E; Wed, 16 Oct 2019 05:56:46 -0700 (PDT) Date: Wed, 16 Oct 2019 13:56:44 +0100 From: Catalin Marinas To: Anshuman Khandual Cc: linux-arm-kernel@lists.infradead.org, Will Deacon , Mark Rutland , linux-kernel@vger.kernel.org Subject: Re: [PATCH] arm64/mm: Poison initmem while freeing with free_reserved_area() Message-ID: <20191016125643.GI49619@arrakis.emea.arm.com> References: <1570163038-32067-1-git-send-email-anshuman.khandual@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1570163038-32067-1-git-send-email-anshuman.khandual@arm.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Oct 04, 2019 at 09:53:58AM +0530, Anshuman Khandual wrote: > Platform implementation for free_initmem() should poison the memory while > freeing it up. Hence pass across POISON_FREE_INITMEM while calling into > free_reserved_area(). The same is being followed in the generic fallback > for free_initmem() and some other platforms overriding it. > > Cc: Catalin Marinas > Cc: Will Deacon > Cc: Mark Rutland > Cc: linux-kernel@vger.kernel.org > Signed-off-by: Anshuman Khandual Queued for 5.5. Thanks. -- Catalin