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 9C470C71153 for ; Tue, 29 Aug 2023 21:32:01 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 89C96280036; Tue, 29 Aug 2023 17:32:00 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 84BE28E0029; Tue, 29 Aug 2023 17:32:00 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 713C3280036; Tue, 29 Aug 2023 17:32:00 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0014.hostedemail.com [216.40.44.14]) by kanga.kvack.org (Postfix) with ESMTP id 6313D8E0029 for ; Tue, 29 Aug 2023 17:32:00 -0400 (EDT) Received: from smtpin02.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay02.hostedemail.com (Postfix) with ESMTP id 1E85E120300 for ; Tue, 29 Aug 2023 21:32:00 +0000 (UTC) X-FDA: 81178440000.02.58BA4D8 Received: from mail-ed1-f48.google.com (mail-ed1-f48.google.com [209.85.208.48]) by imf12.hostedemail.com (Postfix) with ESMTP id 198D040008 for ; Tue, 29 Aug 2023 21:31:57 +0000 (UTC) Authentication-Results: imf12.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=google header.b=B3lOlnWf; dmarc=none; spf=pass (imf12.hostedemail.com: domain of torvalds@linuxfoundation.org designates 209.85.208.48 as permitted sender) smtp.mailfrom=torvalds@linuxfoundation.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1693344718; 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=rU7dErnvLiuzDuD68u3YsP6+F+SRgavTnqk7toHPtos=; b=EMkcb1O+CvlPp4PsCkrfYeLamiXc5JYT7RflWEXcpXcmM4CjU4QRLFBCiZ76aygcL1MSmC EUxlUB29l07fd6TVDpKELbWwyKyRXDv0L0RGDgfNq7hcWFz1dAVIPQ7/1UOgEaxUWKqbAa xVz8ingRmcTlV8vNi8UeKms4HZIIvB0= ARC-Authentication-Results: i=1; imf12.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=google header.b=B3lOlnWf; dmarc=none; spf=pass (imf12.hostedemail.com: domain of torvalds@linuxfoundation.org designates 209.85.208.48 as permitted sender) smtp.mailfrom=torvalds@linuxfoundation.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1693344718; a=rsa-sha256; cv=none; b=AsDi+ekIZoQ24FGbftrg4SJxd1PpleJdut0sX2NoEdtnE5oq1z//RL6yHE/Lzo1ZMupC3u deXc/nMpKqyd+V8zpHyU4IhVM1Dn9Yi+HO5QdGR9O81/X7HAnenkPDuI7VjA84Lpe++ZHX NdH9xElXNvnhAOvmJ+6CjVCGvP2aXCI= Received: by mail-ed1-f48.google.com with SMTP id 4fb4d7f45d1cf-529fb04a234so6456909a12.3 for ; Tue, 29 Aug 2023 14:31:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux-foundation.org; s=google; t=1693344716; x=1693949516; darn=kvack.org; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=rU7dErnvLiuzDuD68u3YsP6+F+SRgavTnqk7toHPtos=; b=B3lOlnWfFfP7+kj/XPPaZYORPQCeduWyHZ39WO9++goAfB8oCF3PNJLoSKuk8xNcSG iwTLdsfGSlRq9jtU3ijKF4onRMrlSFCh7p5zdx2VTPiSB02nfBAF5Ju0DGAY2hiIymRJ XFgSzmFRRp61xWv/9dD0t3zjHutsWQjoyVc50= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1693344716; x=1693949516; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=rU7dErnvLiuzDuD68u3YsP6+F+SRgavTnqk7toHPtos=; b=P755W71oO1E71FfAFBTR1ZNX+yGjEbzOTLpLOI/2XPTuY3ry0j6V5trl1mrNl9ajPM BtBbkbPTMlq6DrIoRKsZSXBnqbjhI0G5hiqJhdPZ+tkNS7RlBgJxbErRlGUJmpnScVg1 gxACQ6uI/gB1PICRnTJghKoqCIjWijgVGqcH7GfCsSXLU7Gt0sqT9Cnu1ag46WwItah9 A9F76cY7X+oNKDZJyrDF5itvtC4Ok6WxhvSxTeZmWIRTcw1fxUpP4CMIxmcWNKWVksGL GFgnXKpmw+vDhpTvcsb0m2691SNVhnaSawFrkM9sOvNBYXPg0uziycLD1TFsICNA3bkd b/8g== X-Gm-Message-State: AOJu0YxHGety17icaBTZWmYQT4FB4/60rGrvuljXCBsbYlOozeLrilVv qh5/nAV8+VRXqDqg3RaCWGD3cJ1WyLeLmeJDz/ImOhJk X-Google-Smtp-Source: AGHT+IElhk91OXeozVTtivsz9TOz1jh1gsKVg7QGVUUfcqHkVTTvjMWkvb8unzzJYlCZ9g3AYg6Cwg== X-Received: by 2002:a17:906:31d9:b0:9a5:d657:47e1 with SMTP id f25-20020a17090631d900b009a5d65747e1mr156299ejf.43.1693344715984; Tue, 29 Aug 2023 14:31:55 -0700 (PDT) Received: from mail-ej1-f49.google.com (mail-ej1-f49.google.com. [209.85.218.49]) by smtp.gmail.com with ESMTPSA id f18-20020a170906825200b0099364d9f0e9sm6343750ejx.102.2023.08.29.14.31.55 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 29 Aug 2023 14:31:55 -0700 (PDT) Received: by mail-ej1-f49.google.com with SMTP id a640c23a62f3a-99bf3f59905so635706466b.3 for ; Tue, 29 Aug 2023 14:31:55 -0700 (PDT) X-Received: by 2002:a17:906:9bfa:b0:9a1:d2ef:3e3b with SMTP id de58-20020a1709069bfa00b009a1d2ef3e3bmr158630ejc.38.1693344715187; Tue, 29 Aug 2023 14:31:55 -0700 (PDT) MIME-Version: 1.0 References: <20230828184251.bfbc164280503903eacf498c@linux-foundation.org> In-Reply-To: <20230828184251.bfbc164280503903eacf498c@linux-foundation.org> From: Linus Torvalds Date: Tue, 29 Aug 2023 14:31:38 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [GIT PULL] MM updates for 6.6-rc1 To: Andrew Morton , Stephen Rothwell , Guo Ren Cc: linux-mm@kvack.org, mm-commits@vger.kernel.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" X-Rspam-User: X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: 198D040008 X-Stat-Signature: xuyofrdmydihsuo6xhgeb9sn6iiz8d5j X-HE-Tag: 1693344717-991452 X-HE-Meta: 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 SmKeGDF5 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 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, 28 Aug 2023 at 18:43, Andrew Morton wrote: > > csky tree, arch/csky/abiv2/cacheflush.c: > https://lkml.kernel.org/r/20230815104604.54f65293@canb.auug.org.au At least this resolution in linux-next was wrong. It would just keep on doing a cache invalidate on the same one-page address range over and over again. I think I did it right, but obviously can't test (and am too lazy to build-test too). Of course, it won't actually matter unless you have large folio on csky, which is probably hard to impossible to trigger in practice, but I thought I'd mention it if for no other reason than Guo Ren to be aware and at least test-build and maybe think about it. Linus