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 74115C54798 for ; Thu, 7 Mar 2024 18:34:16 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id DB9D26B025C; Thu, 7 Mar 2024 13:34:15 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id D6A456B025E; Thu, 7 Mar 2024 13:34:15 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id C58DD6B025F; Thu, 7 Mar 2024 13:34:15 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0013.hostedemail.com [216.40.44.13]) by kanga.kvack.org (Postfix) with ESMTP id B7C6F6B025C for ; Thu, 7 Mar 2024 13:34:15 -0500 (EST) Received: from smtpin11.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay07.hostedemail.com (Postfix) with ESMTP id 63DEC1611D3 for ; Thu, 7 Mar 2024 18:34:15 +0000 (UTC) X-FDA: 81871092870.11.C0F1ADB Received: from sin.source.kernel.org (sin.source.kernel.org [145.40.73.55]) by imf17.hostedemail.com (Postfix) with ESMTP id DD2394001B for ; Thu, 7 Mar 2024 18:34:12 +0000 (UTC) Authentication-Results: imf17.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=OJb3VQHU; dmarc=pass (policy=none) header.from=kernel.org; spf=pass (imf17.hostedemail.com: domain of broonie@kernel.org designates 145.40.73.55 as permitted sender) smtp.mailfrom=broonie@kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1709836453; 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=+lK/F0XbMKqREwpvsr+3Km9spePaRTSr3KsnOH0vBmY=; b=VV28XU7S8OZe+PoSUuyXhu6ytBXnAM6LYRll21bbDoslxpIwSxRVdjyiKD3RHh5Uy1td5e VhWcdxL3w3m1rCQFhvKUC7CJn5pmi8/fGb3htRiR17tk8aiK42UC+Rt60WJ1rLL4oLAUo2 VlmBoVVuMXfjNetg70NZsrfKy9zqXoI= ARC-Authentication-Results: i=1; imf17.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=OJb3VQHU; dmarc=pass (policy=none) header.from=kernel.org; spf=pass (imf17.hostedemail.com: domain of broonie@kernel.org designates 145.40.73.55 as permitted sender) smtp.mailfrom=broonie@kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1709836453; a=rsa-sha256; cv=none; b=04lmAYT/INE0pN9U932ySB8rBpojFpFtyVsbA5JiyvCZrwBj/+BOENMt4z9slTBiZyRONA VlbfMNWWLWNw7Fx5p1gFoyWjTmD32YTdbh/B3f5SKfVBFAZaBgGqog+ZTVZtK42nK45+nz iWrZdYIQRWIoXu1MUjxtki1ABYRkEa8= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sin.source.kernel.org (Postfix) with ESMTP id 6AEB3CE24D9; Thu, 7 Mar 2024 18:34:08 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 76836C433F1; Thu, 7 Mar 2024 18:34:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1709836447; bh=+lK/F0XbMKqREwpvsr+3Km9spePaRTSr3KsnOH0vBmY=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=OJb3VQHUgU/aaG83shdGPgIcWjq0buY/JZxBL1peZ9dXE/PSvrEsIFyopnq5lBeoN dDH/smhwPpo9zoI3ZhzU94PhtVJJBM2SuDXsjvJZGC4L/fxr0M3rmLCtPT7/yRBNN0 ZiJtgiMMhgKgIYVV/bEgYCTwED04y6K3VTsi18ReqOFxmjKTJ2IuSNXHRi1scgRfTi qLzp7Pr8IQ4lBtPsIzb9Y4ocZKpWzJQ+tVqjtXxKKI/o+Kf0sftUUZVMV9ydAdK4pO fsFGf7h/gK2LLCP4vvucH9nKy8/9P+WpMk/t72uoiwBmJGe6kNSwf/Nxi341K8uROW M17EsUjPSL4Xg== Date: Thu, 7 Mar 2024 18:34:02 +0000 From: Mark Brown To: Song Liu Cc: Puranjay Mohan , Catalin Marinas , Alexei Starovoitov , Will Deacon , kernelci-results@groups.io, bot@kernelci.org, linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org, bpf@vger.kernel.org, linux-next@vger.kernel.org Subject: Re: next/master bisection: baseline.login on qemu_arm64-virt-gicv3-uefi Message-ID: <4ce67bde-3bd4-4a59-bce7-4a2764445783@sirena.org.uk> References: <65e9e748.a70a0220.606f7.53c0@mx.google.com> <7e216c88-77ee-47b8-becc-a0f780868d3c@sirena.org.uk> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="RHFExNBtP0kQZN/i" Content-Disposition: inline In-Reply-To: X-Cookie: Been Transferred Lately? X-Rspam-User: X-Stat-Signature: x7gqfzowam71whhxakqewqc9an3s8cqm X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: DD2394001B X-HE-Tag: 1709836452-69761 X-HE-Meta: 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 k3k5Iq9z uBC0Ni3Ug2+ww/2WWlb3Vk3dfBNY22vdZrrWRuby9Y3mCa5sx/NYniFLQ0zaIDrJycmBnsZdrtuC4g0CPNeO6jBPTvGI80qODQq9mkH/Gb775BtJBQh6chjSfA3J2hgCtR+n2kHwq6khllpoC0jn2aswbBY8/YY9p5YzGc6JBQuZUWQ6kEneMlOMt6PJxWQ2QqjZia05NXezd6uXIG5+IeBOO3KTqU0oxX5B7AnciuK+rtBZn46OWFYFqT35WBHnVvXIVo/LAGuYfcvC16y/uRrnud4PpCsG50j4zjg6FeTdXLC9Gy56WA4IpwxiQlSaxYml8AJKyidQnJVYjpvQyf2ENQ6SJGCRRstT4 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: List-Subscribe: List-Unsubscribe: --RHFExNBtP0kQZN/i Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Mar 07, 2024 at 10:16:21AM -0800, Song Liu wrote: > On Thu, Mar 7, 2024 at 8:36=E2=80=AFAM Mark Brown wr= ote: > > The KernelCI bisection bot found a boot regression n today's -next on > > qemu arm64 UEFI platforms with 64K pages which was bisected to commit > > 1dad391daef1 ("bpf, arm64: use bpf_prog_pack for memory management"). > > We OOM quite early in boot: > IIUC, 64kB pages means 512MB PMD. I think that's indeed too big. We > will need some logic to limit such cases. These qemu instances are only configured with 1G of RAM so that's rather large indeed. --RHFExNBtP0kQZN/i Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmXqCJkACgkQJNaLcl1U h9BiNQf/W8sMW+TR5iJXPtmx/iSXx9Vc3oIzw3d/05nquehFKCiPnQSBP3G6hBeE xSYtWC/vpQRJGlkjb9wVVQIQ0fvHRILCWxRXLAr4eFIFFB2GXR34b8rfCooexQ2C jpBO6FaMmlGpPZO73okfWeLM/uFF06Rk5O+3bbfElmuBUisrp3fnjrHojyPpbcuE g0GDpiGkvqGZETacXOGVfmWZJ5IqeLmuN4TlVx3iw3Mi4fc7LvH+ikbQnJpn19IY cYxM8F9T5hY60VsvDUEVeO8RH4m6UPZXmTk7eMhngtAlYK2+tCAp9B3MOUNXvFvq mRRRaFOMa48N+El0WdtbP9+Uo0eqNQ== =x/8f -----END PGP SIGNATURE----- --RHFExNBtP0kQZN/i--