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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 31982C433EF for ; Mon, 11 Oct 2021 06:59:03 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id BAE7B60EFE for ; Mon, 11 Oct 2021 06:59:02 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org BAE7B60EFE Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kvack.org Received: by kanga.kvack.org (Postfix) id 058826B006C; Mon, 11 Oct 2021 02:58:59 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 008C76B0071; Mon, 11 Oct 2021 02:58:58 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id E3B666B0072; Mon, 11 Oct 2021 02:58:58 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0113.hostedemail.com [216.40.44.113]) by kanga.kvack.org (Postfix) with ESMTP id D0A606B006C for ; Mon, 11 Oct 2021 02:58:58 -0400 (EDT) Received: from smtpin09.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id 90BE18249980 for ; Mon, 11 Oct 2021 06:58:58 +0000 (UTC) X-FDA: 78683254356.09.553564C Received: from m43-7.mailgun.net (m43-7.mailgun.net [69.72.43.7]) by imf16.hostedemail.com (Postfix) with ESMTP id 00513F001CE7 for ; Mon, 11 Oct 2021 06:58:55 +0000 (UTC) DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1633935538; h=Content-Transfer-Encoding: Content-Type: In-Reply-To: MIME-Version: Date: Message-ID: From: References: Cc: To: Subject: Sender; bh=k8tTotxLDJjjEVEHtHiSBd970P+txsfK0O5LCyddwGA=; b=sF92H9yvRELcQHcyz39ZHoovFMTxig2B/EglWk3tSy6YRbcm5lY7xIbNQjgwslidIahHg5CP 18rAzNbVDEBPViTaXP5EZS7+RAt+75KhJFQUfHWs8ZT9xBcRLozspky7xNlGqL760nOoBbLO JPFB6CaCBogMZpFjs3D6tB2eJCg= X-Mailgun-Sending-Ip: 69.72.43.7 X-Mailgun-Sid: WyIwY2Q3OCIsICJsaW51eC1tbUBrdmFjay5vcmciLCAiYmU5ZTRhIl0= Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n01.prod.us-east-1.postgun.com with SMTP id 6163e0ad22fe3a98e5fe0a57 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Mon, 11 Oct 2021 06:58:53 GMT Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 41D76C43616; Mon, 11 Oct 2021 06:58:52 +0000 (UTC) Received: from [192.168.0.109] (unknown [49.204.182.166]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: faiyazm) by smtp.codeaurora.org (Postfix) with ESMTPSA id DBBD2C4338F; Mon, 11 Oct 2021 06:58:49 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 smtp.codeaurora.org DBBD2C4338F Subject: Re: [PATCH v2] mm: page_alloc: Add debug log in free_reserved_area for static memory To: Faiyaz Mohammed , akpm@linux-foundation.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, david@redhat.com Cc: guptap@codeaurora.org References: <1633935350-19628-1-git-send-email-quic_faiyazm@codeaurora.org> From: Faiyaz Mohammed Message-ID: <5a744f0b-1283-7fe1-ee5a-c87ca6d10b0a@codeaurora.org> Date: Mon, 11 Oct 2021 12:28:45 +0530 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.13.0 MIME-Version: 1.0 In-Reply-To: <1633935350-19628-1-git-send-email-quic_faiyazm@codeaurora.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: 00513F001CE7 X-Stat-Signature: 8beoe8yz4dbhxjitpb9tsqkwhr8d9hy3 Authentication-Results: imf16.hostedemail.com; dkim=pass header.d=mg.codeaurora.org header.s=smtp header.b=sF92H9yv; dmarc=none; spf=pass (imf16.hostedemail.com: domain of "bounce+d06763.be9e4a-linux-mm=kvack.org@mg.codeaurora.org" designates 69.72.43.7 as permitted sender) smtp.mailfrom="bounce+d06763.be9e4a-linux-mm=kvack.org@mg.codeaurora.org" X-HE-Tag: 1633935535-167804 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: Please ignore this patch. On 10/11/2021 12:25 PM, Faiyaz Mohammed wrote: > From: Faiyaz Mohammed > > For INITRD and initmem memory is reserved through "memblock_reserve" > during boot up but it is free via "free_reserved_area" instead > of "memblock_free". > For example: > [ 0.294848] Freeing initrd memory: 12K. > [ 0.696688] Freeing unused kernel memory: 4096K. > > To get the start and end address of the above freed memory and to account > proper memblock added pr_debug log in "free_reserved_area". > After adding log: > [ 0.294837] 0x00000083600000-0x00000083603000 free_initrd_mem+0x20/0x28 > [ 0.294848] Freeing initrd memory: 12K. > [ 0.695246] 0x00000081600000-0x00000081a00000 free_initmem+0x70/0xc8 > [ 0.696688] Freeing unused kernel memory: 4096K. > > Signed-off-by: Faiyaz Mohammed > --- > mm/page_alloc.c | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/mm/page_alloc.c b/mm/page_alloc.c > index 668edb1..8a1929d4 100644 > --- a/mm/page_alloc.c > +++ b/mm/page_alloc.c > @@ -8153,6 +8153,11 @@ unsigned long free_reserved_area(void *start, void *end, int poison, const char > if (pages && s) > pr_info("Freeing %s memory: %ldK\n", s, K(pages)); > > +#ifdef CONFIG_HAVE_MEMBLOCK > + memblock_dbg("memblock_free: [%#016llx-%#016llx] %pS\n", > + __pa(start), __pa(end), (void *)_RET_IP_); > +#endif > + > return pages; > } > >