Received: by 2002:a05:6a10:16a7:0:0:0:0 with SMTP id gp39csp2911237pxb; Sun, 15 Nov 2020 23:49:06 -0800 (PST) X-Google-Smtp-Source: ABdhPJyl0ZJzjgbLMrW6wCDC0dQCrI5kavR/tFo/rgWZXdfTnnjBiNdRJx6gUsH+apFkhGSe5RJ1 X-Received: by 2002:a17:906:7e55:: with SMTP id z21mr13159492ejr.154.1605512946161; Sun, 15 Nov 2020 23:49:06 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1605512946; cv=none; d=google.com; s=arc-20160816; b=X8iOMl7P2P3eNSTn/k1zWsEXhRn6B+SqYQsFM/Ny2v/BKN3YLaIZcaMcH6bMFYTn1z S1wZ02SIdWfcYGKjGsGGVyIeCxmmZqZCHeXJjS0///uIKGofnFvzQlPwtcJUxP7QM7O5 Z4dR3GT7wpa6Zyp2XyZnwDnI2ebZjJbGmbJEDfY3M8Z+mKh2vy5UcOJzLlJKPE9msbgK Cimome9PkF8RIIeZkkMIizmrULmCHXuxPWLlh7Ilrpvq73fc7hnjgjU+p5/NITC+qmbs Kbh4IuuFZhJyZBkvfKftIopJI921Atj4WqlAH2EuE+CzRDz4gn65waICG/b/rv0XVXG8 +ZGg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:message-id:subject:cc:to:from:date:dkim-signature; bh=juHiXLk/LrIL6EVM0gSkf78W+IgS053uE7e6LeG5hsQ=; b=vAZ1brdLpbyfIXa3Rb9Izz5Adtp4riG85Cjcc6a0OR16zdf65qWBVQFtNUDzsQ0iYN 1RRqXSoh2NpKW+1lyVLu6eJ+fQKxCSZ7waTj9177LRWgCufywJ9H5DkltpRoNNAG3Bto 5Bp+27max5alFNdwxJWojf8m9djISjN18TADz068wckouDAlS/zBwm1BpNJRxpYoTse+ ocL4eCOjfYQedyPcPMnr5x/qxQO8Rm8S/ZY4yObcNac11ob1QmYiwIMABr+ZqZDdXC3G VQ//jy5F9YyKeRt29F545ZqlbwFYwq2HtdsDezowXdoxCQwwQ+YtE9+J+IQYJSrqSwWN OemQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=JQn7drBe; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id k6si11051540eds.482.2020.11.15.23.48.44; Sun, 15 Nov 2020 23:49:06 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=JQn7drBe; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727736AbgKPHqC (ORCPT + 99 others); Mon, 16 Nov 2020 02:46:02 -0500 Received: from mail.kernel.org ([198.145.29.99]:47248 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727277AbgKPHqC (ORCPT ); Mon, 16 Nov 2020 02:46:02 -0500 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> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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!