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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 82A78C433FE for ; Mon, 21 Nov 2022 20:12:26 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id DF8568E0001; Mon, 21 Nov 2022 15:12:25 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id DA8796B007B; Mon, 21 Nov 2022 15:12:25 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id C70578E0001; Mon, 21 Nov 2022 15:12:25 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) by kanga.kvack.org (Postfix) with ESMTP id B7B3B6B0078 for ; Mon, 21 Nov 2022 15:12:25 -0500 (EST) Received: from smtpin21.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay03.hostedemail.com (Postfix) with ESMTP id 6F431A030A for ; Mon, 21 Nov 2022 20:12:25 +0000 (UTC) X-FDA: 80158546650.21.63AF67C Received: from mail-oi1-f177.google.com (mail-oi1-f177.google.com [209.85.167.177]) by imf08.hostedemail.com (Postfix) with ESMTP id 12674160012 for ; Mon, 21 Nov 2022 20:12:23 +0000 (UTC) Received: by mail-oi1-f177.google.com with SMTP id v81so13671235oie.5 for ; Mon, 21 Nov 2022 12:12:23 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=mime-version:references:message-id:in-reply-to:subject:cc:to:from :date:from:to:cc:subject:date:message-id:reply-to; bh=tm7cvOkNj/qBR7XO5LdkFQvaNPhHQAoivJT17A9sar8=; b=tSZM6W4Dwn+yp8crkKXzkiyfGweFK5Q+EEwTISTbRfhMMd95zgPpl54KKVfnhOr0ig JbCKyzQSGsKcc2YW3IG1UGyp6y8zjdkec8dfsyZjH41eB0o2aXsb6h3vc/zVps4HzoTM rw7Ho1Aer0jrluUxk51DKqqdT01yUhyAhey2GKbI2+aD+ipwR+cwf3XjL5pLPUifeQYT Fqo38QrNVbnk5QYDTchtY7kagXVfc6gqh/TluBLOeqwPEP9TKgSkJkhwspzQ1MTDdEYy e8775tqR2pIN7sBw3C5V3I/QL4MruOMZWZGbcr+zYXK4MBvGcGum8juiY+KCItfRNQGX 0N8w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=mime-version:references:message-id:in-reply-to:subject:cc:to:from :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=tm7cvOkNj/qBR7XO5LdkFQvaNPhHQAoivJT17A9sar8=; b=x4FU0O27ljVQqz0NEZExuLbUQP4awre/hwkYUqqgn7YYvIMlR0KExcqyNqgJHYz6qU +5XXX/QFhNSfYlB1iCCnMnLybMLLMZSMkcFiGoHD6liw5Ol2KPOw9OyZnuDX2hPvYk96 GW21Oey+tiXz59tQUxg7d0wjPGMGYOtThYcmcxAt2hLUhS2BTm1QbDSVdOA4Hb49f1/e G6zOaAs5Ax5uuhP7bBlJhVXex/EaLYzKjCS2ONu8i16ksyDGib1xxnXUAiP9aH9pzbNr SrOp6nVoQMZcK1XrHcBVZacrwrAWJzlKqsuiSdeZSGk+gxYC/N5RZ9SsgKfshLjjLFtU vFzQ== X-Gm-Message-State: ANoB5pk8FlSHP5FFOIpox03ETIg1rPs62bHM2cgPbWWyHo2C9UDmNq7/ GnKZ076I8dTnsL87NQ0uEcTnOw== X-Google-Smtp-Source: AA0mqf5yAVDI8P+E06yjnI1h2m3a1pn+sYmLPfgjuNe5nUkSlXL3O8MiTLdGIWdv01CCFMqW2W1wnA== X-Received: by 2002:a05:6808:1b23:b0:354:b7b4:4d39 with SMTP id bx35-20020a0568081b2300b00354b7b44d39mr226473oib.85.1669061543036; Mon, 21 Nov 2022 12:12:23 -0800 (PST) Received: from ripple.attlocal.net (172-10-233-147.lightspeed.sntcca.sbcglobal.net. [172.10.233.147]) by smtp.gmail.com with ESMTPSA id r25-20020a056830135900b00661c0747545sm5325186otq.44.2022.11.21.12.12.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 21 Nov 2022 12:12:22 -0800 (PST) Date: Mon, 21 Nov 2022 12:12:12 -0800 (PST) From: Hugh Dickins X-X-Sender: hugh@ripple.attlocal.net To: Andrew Morton cc: Dan Carpenter , oe-kbuild@lists.linux.dev, Hugh Dickins , lkp@intel.com, oe-kbuild-all@lists.linux.dev, Ammar Faizi , GNU/Weeb Mailing List , Linux Memory Management List Subject: Re: [ammarfaizi2-block:akpm/mm/mm-unstable 160/254] mm/rmap.c:1325 page_add_anon_rmap() error: uninitialized symbol 'first'. In-Reply-To: <20221121114425.9e2ad183c7e24f158ecc10e5@linux-foundation.org> Message-ID: References: <202211200135.BVP3jPRS-lkp@intel.com> <20221121114425.9e2ad183c7e24f158ecc10e5@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII ARC-Authentication-Results: i=1; imf08.hostedemail.com; dkim=pass header.d=google.com header.s=20210112 header.b=tSZM6W4D; spf=pass (imf08.hostedemail.com: domain of hughd@google.com designates 209.85.167.177 as permitted sender) smtp.mailfrom=hughd@google.com; dmarc=pass (policy=reject) header.from=google.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1669061544; a=rsa-sha256; cv=none; b=S9ZIZkvf8kqc5vBOiJKTiWdaEcJRDTioJIhChWC/TI1NMU6YiloTylSRHYZAOPZnD1S+ti O3uEjjbymvrtDd9/5ayoZmot13gvo1ow1qazByQhaI1yKmQVZNpqp+ach6jleMbOt8RnMJ P+29c0Vjl9YW4vqtaeofODvO70nWulQ= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1669061544; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=tm7cvOkNj/qBR7XO5LdkFQvaNPhHQAoivJT17A9sar8=; b=cyjOSLOwi37rgm7xdK1pxOZ8ovtzLFpGv17UJoJrnREk1qOqvhqpw1kXwo1dtYyVysrYi1 ytYn4OvMG7/FRWXU2oqch+hDgKt14WsxuN7lZQiRUcxe7Ff6/IBiBdS4q8dD8Xv2xQCGbg YDvywESaYlA3iAJ8UWot+OLkwjqpxI0= X-Rspam-User: Authentication-Results: imf08.hostedemail.com; dkim=pass header.d=google.com header.s=20210112 header.b=tSZM6W4D; spf=pass (imf08.hostedemail.com: domain of hughd@google.com designates 209.85.167.177 as permitted sender) smtp.mailfrom=hughd@google.com; dmarc=pass (policy=reject) header.from=google.com X-Stat-Signature: z14s3aby7p4e8n71mqfngq5o137q94bf X-Rspamd-Queue-Id: 12674160012 X-Rspamd-Server: rspam09 X-HE-Tag: 1669061543-871162 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, 21 Nov 2022, Andrew Morton wrote: > On Mon, 21 Nov 2022 13:47:02 +0300 Dan Carpenter wrote: > > > tree: https://github.com/ammarfaizi2/linux-block akpm/mm/mm-unstable > > head: a8da2493d983a10242e6c9d71c6e828aafa5baf8 > > commit: d68dde0dc6f8b8d09357a32473db8881173b10b0 [160/254] mm,thp,rmap: subpages_mapcount of PTE-mapped subpages > > config: i386-randconfig-m021 > > compiler: gcc-11 (Debian 11.3.0-8) 11.3.0 > > > > If you fix the issue, kindly add following tag where applicable > > | Reported-by: kernel test robot > > | Reported-by: Dan Carpenter > > > > smatch warnings: > > mm/rmap.c:1325 page_add_anon_rmap() error: uninitialized symbol 'first'. > > > > Thanks. Hugh's looking into this. > https://lkml.kernel.org/r/759077a6-a08-5bb0-a0b6-53be2fe8b56a@google.com Yes, thanks Dan: Yu Zhao already reported, the fix I sent was https://lore.kernel.org/linux-mm/7a4f5e5e-de33-dace-c526-4a3d3cf5f6e0@google.com/ but it hasn't got into mm-unstable yet. I've not yet digested Kirill's review comments on the series (no functional change required, I believe): maybe they will call for a v2 rather than a series of -fixes; but let's add the above in for now. Thanks, Hugh