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]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 7CD3DFF885A for ; Tue, 28 Apr 2026 07:19:03 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id E5ED66B0088; Tue, 28 Apr 2026 03:19:02 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id E35EE6B008A; Tue, 28 Apr 2026 03:19:02 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id D72FD6B0096; Tue, 28 Apr 2026 03:19:02 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0015.hostedemail.com [216.40.44.15]) by kanga.kvack.org (Postfix) with ESMTP id C77156B0088 for ; Tue, 28 Apr 2026 03:19:02 -0400 (EDT) Received: from smtpin21.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay01.hostedemail.com (Postfix) with ESMTP id 0C83D1C0814 for ; Tue, 28 Apr 2026 07:19:02 +0000 (UTC) X-FDA: 84707112924.21.5E8EC07 Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by imf25.hostedemail.com (Postfix) with ESMTP id 7BE15A000C for ; Tue, 28 Apr 2026 07:19:00 +0000 (UTC) Authentication-Results: imf25.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=YFtMVKnP; spf=pass (imf25.hostedemail.com: domain of rppt@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=rppt@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1777360740; 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=QaAEDE4karRiLhj6T5smg7SeDy6M3hgvKR6dHn0tccg=; b=MQpDxOWzMU4JG+qpnJhiti+Tl0QiUABFHhreKZ/K9Br1zU1FaRLNH2rXfwIT3C/+YmVEzm atFk86+lbd0vRCkyaoteoecXg+a7bMSuq7Cc1wjFbhhKbhoRAGQcmc/kkAR07RJsd/J7XK 3sUYzRJkrnBYRwa+N0hBme54Y8iKiXY= ARC-Authentication-Results: i=1; imf25.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=YFtMVKnP; spf=pass (imf25.hostedemail.com: domain of rppt@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=rppt@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1777360740; a=rsa-sha256; cv=none; b=fFuMhqqePmtlw4GAiaYhkSbMjf3hOctAAl7FZxTzLY3UwT7hvICVuUm8VT1BaGbDFGmYgo Y1H8Au+I8lJ7IfynXfGP4XBV4WIIulTsN3WvwGOxxmWivsFFfiSLJyaZAXYpwVmdI8Db9O MgWDXfRliit7Esonct4yCsvUqKqrFGs= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id C389460142; Tue, 28 Apr 2026 07:18:59 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4EFBBC2BCAF; Tue, 28 Apr 2026 07:18:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1777360739; bh=JWWk+ejNBKAE57oeYaLCSn1Yap7+NFRPWRTEBQ3yAmc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=YFtMVKnPM3cs5jFOwUhJVQjUEfE2Z5FFuhoJNast+eFJkUriDYYuGiXmCPH5ogowG 1yU8ZKpdRXZm+/pQWowDXe/g/UhXlGCOILIufrF5JDmqaUFguksSabcnP8/QdtV2x9 3NMESfK/Uhy23GkKjTts0AmQZQ9aPYgf5kiQ4l+8ZgZ+w9N9uzsa47w/E5mwvPb1wm xJ8AZMTYHMkDSoP+jA+vGFFjkLVO3h5zJP0nKEFHkue8v2/TX1zZRrIFsZTijggN/2 07A1OfhxAMhFgv6+mp28+fNb1iWsaqXw5rOiFYAprfiMNhaEoHaXuuyisUMKPjCK/j hqOKFlXAE9auA== Date: Tue, 28 Apr 2026 09:18:49 +0200 From: Mike Rapoport To: Muchun Song Cc: Andrew Morton , David Hildenbrand , Muchun Song , Oscar Salvador , Michael Ellerman , Madhavan Srinivasan , Lorenzo Stoakes , "Liam R . Howlett" , Vlastimil Babka , Suren Baghdasaryan , Michal Hocko , Nicholas Piggin , Christophe Leroy , aneesh.kumar@linux.ibm.com, joao.m.martins@oracle.com, linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 13/49] mm: integrate sparse_vmemmap_init_nid_late() into sparse_init_nid() Message-ID: References: <20260405125240.2558577-1-songmuchun@bytedance.com> <20260405125240.2558577-14-songmuchun@bytedance.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260405125240.2558577-14-songmuchun@bytedance.com> X-Stat-Signature: 68rkpzaxfpuqycoyhz9nfwqw93r3xfte X-Rspamd-Queue-Id: 7BE15A000C X-Rspam-User: X-Rspamd-Server: rspam08 X-HE-Tag: 1777360740-239531 X-HE-Meta: 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 u/7EgV54 19TDGR3IMadIDe5hfolQGeQrQ3Wb6mhUginE/TmUe/HQB+FS4Ie1qF4HVxMMY6dTCkE5xYtQbfaltLwL/dDcDYGv6T8WydgPy/lmkCSXsFSumaYRqzF1ZPMYQTNU0M/arIcq2Z17+qjw95juVBAlUqkhu2Nt9BGddDrxzTNDLPLRKkkinW3l+8nHuX61izxtSxf1kvKf7q3my+CpXZMEjKXu8M8aNxegCsb0+DR4UoXFH/pc0XyWfdpi5woq6+cR/+FmrRIsfelHg0WUec5uMgcR/Zr/Mp5XJesJ4usaUO8jMo9BX5MJsRdMMuMnGG41xdMX4jHNpbQSqlWp3FdJflSkyBrq49hmFC8bW Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Sun, Apr 05, 2026 at 08:52:04PM +0800, Muchun Song wrote: > Move the call to sparse_vmemmap_init_nid_late() from mm_core_init_early() > into sparse_init_nid(). > > Since sparse_init() has been deferred until after zone initialization, > the zone data structures are now available during sparse_init(). This > satisfies the requirements of sparse_vmemmap_init_nid_late(), allowing > it to be moved safely. > > This change unifies the vmemmap initialization steps by placing both > sparse_vmemmap_init_nid_early() and sparse_vmemmap_init_nid_late() > within the sparse memory initialization logic, making the code structure > clearer. > > Signed-off-by: Muchun Song Reviewed-by: Mike Rapoport (Microsoft) > --- > mm/mm_init.c | 4 ---- > mm/sparse.c | 2 ++ > 2 files changed, 2 insertions(+), 4 deletions(-) -- Sincerely yours, Mike.