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=-7.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no 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 21DB8C4742C for ; Mon, 16 Nov 2020 07:46:06 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 3B6912227F for ; Mon, 16 Nov 2020 07:46:04 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="JQn7drBe" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3B6912227F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 209A76B0036; Mon, 16 Nov 2020 02:46:04 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 16CA96B005D; Mon, 16 Nov 2020 02:46:04 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 0A9AF6B0068; Mon, 16 Nov 2020 02:46:04 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0013.hostedemail.com [216.40.44.13]) by kanga.kvack.org (Postfix) with ESMTP id D659B6B0036 for ; Mon, 16 Nov 2020 02:46:03 -0500 (EST) Received: from smtpin03.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id 687EC3621 for ; Mon, 16 Nov 2020 07:46:03 +0000 (UTC) X-FDA: 77489497806.03.tree38_4a10f2527327 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin03.hostedemail.com (Postfix) with ESMTP id 4CC2128A4E8 for ; Mon, 16 Nov 2020 07:46:03 +0000 (UTC) X-HE-Tag: tree38_4a10f2527327 X-Filterd-Recvd-Size: 2308 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf01.hostedemail.com (Postfix) with ESMTP for ; Mon, 16 Nov 2020 07:46:02 +0000 (UTC) Received: from kernel.org (unknown [77.125.7.142]) (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 E63F92225E; Mon, 16 Nov 2020 07:45:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1605512761; bh=fudZEZzC9a0LKol7stpMLlrGRe4KporUeem6OysK/i8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=JQn7drBeQbxJfK3Qfmz6n31/F1ZsJGPiIehminca4qJt+LfIeap4BAl7F1eLygLJV JkgyKljX5wrqeQRKvCzgp874XdB5mbJ9of67TotVXIM5sXWV3dwDc7GDICe8Lf73fJ bkRiMJhPfTRBs0vPVoEvpVbXZo+IPEIRNbEt/POM= Date: Mon, 16 Nov 2020 09:45:55 +0200 From: Mike Rapoport To: Faiyaz Mohammed Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, vinmenon@codeaurora.org Subject: Re: [PATCH v2] mm: memblock: add more debug logs Message-ID: <20201116074555.GA4758@kernel.org> References: <1605501844-22390-1-git-send-email-faiyazm@codeaurora.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1605501844-22390-1-git-send-email-faiyazm@codeaurora.org> X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Mon, Nov 16, 2020 at 10:14:04AM +0530, Faiyaz Mohammed wrote: > It is useful to know the exact caller of memblock_phys_alloc_range() to > track early memory reservations during development. > > Currently, when memblock debugging is enabled, the allocations done with > memblock_phys_alloc_range() are only reported at memblock_reserve(): > > [ 0.000000] memblock_reserve: [0x000000023fc6b000-0x000000023fc6bfff] memblock_alloc_range_nid+0xc0/0x188 > > Add memblock_dbg() to memblock_phys_alloc_range() to get details about > its usage. > > For example: > > [ 0.000000] memblock_phys_alloc_range: 4096 bytes align=0x1000 from=0x0000000000000000 max_addr=0x0000000000000000 early_pgtable_alloc+0x24/0x178 > [ 0.000000] memblock_reserve: [0x000000023fc6b000-0x000000023fc6bfff] memblock_alloc_range_nid+0xc0/0x188 > > Signed-off-by: Faiyaz Mohammed Applied, thanks!