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=-12.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 1681EC388F7 for ; Tue, 10 Nov 2020 12:20:33 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 7351E206B2 for ; Tue, 10 Nov 2020 12:20:32 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="MMYETmkw" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7351E206B2 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 98AB56B005C; Tue, 10 Nov 2020 07:20:31 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 93AF26B006C; Tue, 10 Nov 2020 07:20:31 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 8030B6B006E; Tue, 10 Nov 2020 07:20:31 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0029.hostedemail.com [216.40.44.29]) by kanga.kvack.org (Postfix) with ESMTP id 49C676B005C for ; Tue, 10 Nov 2020 07:20:31 -0500 (EST) Received: from smtpin21.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id C8149181AEF1A for ; Tue, 10 Nov 2020 12:20:30 +0000 (UTC) X-FDA: 77468416620.21.ink83_4a0406f272f5 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin21.hostedemail.com (Postfix) with ESMTP id A93D4180442C0 for ; Tue, 10 Nov 2020 12:20:30 +0000 (UTC) X-HE-Tag: ink83_4a0406f272f5 X-Filterd-Recvd-Size: 3890 Received: from m42-4.mailgun.net (m42-4.mailgun.net [69.72.42.4]) by imf21.hostedemail.com (Postfix) with ESMTP for ; Tue, 10 Nov 2020 12:20:28 +0000 (UTC) DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1605010830; h=Message-Id: Date: Subject: Cc: To: From: Sender; bh=y2rczb+wTSDbBJhBEknYiQeqZ1enHfHZnrNomlBH2Zw=; b=MMYETmkwZOjarm98C1VUomWwHuEANcoPy/rQoKMpj0wAZ1yF9UwnDdFU/Za3dQ/Pbyl96aUj 2KNQ/9y90Rrr68TmBp7Z1NaD8jq6CscBBbwwMM5siy5ik1Rfq61zdbEfrDSDVV0fWjgmeDSq pLSpDZOT3jj44DQWv5MzcsalxVg= X-Mailgun-Sending-Ip: 69.72.42.4 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-n04.prod.us-east-1.postgun.com with SMTP id 5faa8579d812a3c7807d4ab1 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Tue, 10 Nov 2020 12:20:09 GMT Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 5D58CC433F0; Tue, 10 Nov 2020 12:20:08 +0000 (UTC) Received: from faiyazm-linux.qualcomm.com (unknown [202.46.22.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: faiyazm) by smtp.codeaurora.org (Postfix) with ESMTPSA id 1DBCAC433C8; Tue, 10 Nov 2020 12:20:05 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 1DBCAC433C8 Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=fail smtp.mailfrom=faiyazm@codeaurora.org From: Faiyaz Mohammed To: linux-mm@kvack.org, linux-kernel@vger.kernel.org, rppt@kernel.org Cc: vinmenon@codeaurora.org, Faiyaz Mohammed Subject: [PATCH] mm: memblock: add more debug logs Date: Tue, 10 Nov 2020 17:49:58 +0530 Message-Id: <1605010798-17545-1-git-send-email-faiyazm@codeaurora.org> X-Mailer: git-send-email 2.7.4 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000813, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Exact caller of memblock_phys_alloc_range is not available with "memblock=debug". Below information is not enough for memory accounting. for example: [ 0.000000] memblock_reserve: [0x000000023fc6b000-0x000000023fc6bfff] memblock_alloc_range_nid+0xc0/0x188 To enhance the memblock_dbg information or to get the exact owner of the memblock_reserve, add debug logs in memblock_phys_alloc_range function. After adding logs: [ 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 --- mm/memblock.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/mm/memblock.c b/mm/memblock.c index 049df41..f65af9f 100644 --- a/mm/memblock.c +++ b/mm/memblock.c @@ -1419,6 +1419,9 @@ phys_addr_t __init memblock_phys_alloc_range(phys_addr_t size, phys_addr_t start, phys_addr_t end) { + memblock_dbg("%s: %llu bytes align=0x%llx from=%pa max_addr=%pa %pS\n", + __func__, (u64)size, (u64)align, &start, &end, + (void *)_RET_IP_); return memblock_alloc_range_nid(size, align, start, end, NUMA_NO_NODE, false); } -- QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, hosted by The Linux Foundation