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 02065C52D7D for ; Fri, 16 Aug 2024 05:25:10 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 59B1B8D0048; Fri, 16 Aug 2024 01:25:10 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 54AFA8D002B; Fri, 16 Aug 2024 01:25:10 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 4132A8D0048; Fri, 16 Aug 2024 01:25:10 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0017.hostedemail.com [216.40.44.17]) by kanga.kvack.org (Postfix) with ESMTP id 201FA8D002B for ; Fri, 16 Aug 2024 01:25:10 -0400 (EDT) Received: from smtpin13.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay07.hostedemail.com (Postfix) with ESMTP id C18161618C3 for ; Fri, 16 Aug 2024 05:25:09 +0000 (UTC) X-FDA: 82456969938.13.77ED6F0 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by imf22.hostedemail.com (Postfix) with ESMTP id DB914C0011 for ; Fri, 16 Aug 2024 05:25:07 +0000 (UTC) Authentication-Results: imf22.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=korg header.b=FrIOFB8n; dmarc=none; spf=pass (imf22.hostedemail.com: domain of akpm@linux-foundation.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=akpm@linux-foundation.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1723785825; 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:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=jabXkzGBZuIIaD9ry2wuG7ES/rHuKfGDjD6Yz7e7Z+M=; b=ilYnlyDWvxvULO+nl+MVjPDvkdjFV/NdFLD1K/RBxT+JGSAL8xtaZ8ksEl8h7PD4gGMmmp YsTng9r0EndnVx4EEc5bWxQ3fhC1Ho7rxfTBYbdnwnAPnxIxgShHihz+HS1bfyA1CW+kia uI6EappoTHm1ZUGEY3i0vAvhWJUpUOs= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1723785825; a=rsa-sha256; cv=none; b=KvlIV3eYUC3Gm++fv1GnyXGrDO7oPlQ+ZALw8zTDuuIKSicNfAvBXtylnq+FUKSG4D67N9 B4ebS0iUVBxR1yNXGpSsYPY8ktmXvVSp2La4BNe2DVjS/yJ0OaQ6HlsMHb0Nrhvr8l090m TOVe3RMSXoV4p0hhmkbJyAqyQd9KaLg= ARC-Authentication-Results: i=1; imf22.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=korg header.b=FrIOFB8n; dmarc=none; spf=pass (imf22.hostedemail.com: domain of akpm@linux-foundation.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=akpm@linux-foundation.org Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 0413C620BD; Fri, 16 Aug 2024 05:25:06 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8022CC32782; Fri, 16 Aug 2024 05:25:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1723785905; bh=2r9CFjNUYOawQduYci6MbLAEPCOnx0RPSs0yniWm+mw=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=FrIOFB8nsRTnIP52tg0Xenh4UASNvS8ffWOtRUl450IBQrxpJq4fcQ6phbySPNqO2 Ihh18DNsufi2hyNpUcmIeRkWBuh4XgS6b02JeckK2IE4DpGDKzWzS70YO75Zk62tRs Ad4BoodTcMGeiB6iuD8kYpX2khGz6eo/bFirT1hw= Date: Thu, 15 Aug 2024 22:25:04 -0700 From: Andrew Morton To: Gao Xiang Cc: "Huang, Ying" , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Gao Xiang Subject: Re: [PATCH] mm/migrate: fix deadlock in migrate_pages_batch() on large folios Message-Id: <20240815222504.85e94e909d28bc64bc89b847@linux-foundation.org> In-Reply-To: References: <20240728154913.4023977-1-hsiangkao@linux.alibaba.com> <87plqx0yh2.fsf@yhuang6-desk2.ccr.corp.intel.com> <20240815220224.d7970835d5c12b4833bd04dc@linux-foundation.org> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: DB914C0011 X-Stat-Signature: cs35c4sztmmbwbpgzd64pwjgehusr5xa X-Rspam-User: X-HE-Tag: 1723785907-139898 X-HE-Meta: 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 JL7pRr8J OgI+Doqcwa9ISEaAFAfvgbRadOHDp6P2/eyY1EMBAUFv8IZFS73JS0884gmnSds5mOdM3Zzbe2Xqtq8JKrL16xQM1TKxzA+puIEZ5aN8piZD4NoknTLH0bv65EGJKQdk9Ls1x4/2VvvpbBJrjM5oWHT4AsTHU2eoHAebgztxvvjMpeqSxmubA0L0kit3ccrGxgvqKTLtpFMklhvEBWajnhH5UJyo1g48HdhYQlNEDyBOvy/Kj/Cgaxy0AONk9GCeLulphUQURV34TqkbdQvENiQJGxLdltpXG/ZobRDvzTaG/IP13wsh9lP45SiFG8ycbfpjHaUcBp8xh1G4gZRg7W99xOn9J7JccXn+s65VcK+vINvZZkI539rDQ8OitiB/CR0lw3Ndm7euErtOH/92IRNS81A== 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: On Fri, 16 Aug 2024 13:17:04 +0800 Gao Xiang wrote: > >> does someone want to take a look at developing a v2? > > > > I've replied your email last week, I'm not sure why it has not > > been addressed? > > > > https://lore.kernel.org/linux-mm/20240729021306.398286-1-hsiangkao@linux.alibaba.com/ > > > > The patch in your queue is already v2? No? > > Really confused about this, since the comment above was about v1. > and v2 is already sent (in July 29) and in -next for two weeks > with > > Reviewed-by: "Huang, Ying" > Acked-by: David Hildenbrand > > What else I need to do to resolve this already resolved comment > so that I could enable large folios without deadlocks anymore? Is cool, thanks - I failed to correctly update my notes-to-self.