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 DA690CD5BB1 for ; Mon, 25 May 2026 17:09:02 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 37C366B0098; Mon, 25 May 2026 13:09:02 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 305D56B009B; Mon, 25 May 2026 13:09:02 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 21C216B009D; Mon, 25 May 2026 13:09:02 -0400 (EDT) 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 114326B0098 for ; Mon, 25 May 2026 13:09:02 -0400 (EDT) Received: from smtpin26.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay09.hostedemail.com (Postfix) with ESMTP id CD2E18BFA7 for ; Mon, 25 May 2026 17:09:01 +0000 (UTC) X-FDA: 84806577282.26.8B1BD9D Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by imf18.hostedemail.com (Postfix) with ESMTP id 41B141C000F for ; Mon, 25 May 2026 17:09:00 +0000 (UTC) Authentication-Results: imf18.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20260515 header.b=jRjDshvC; spf=pass (imf18.hostedemail.com: domain of osalvador@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=osalvador@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=1779728940; 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=U1fgZMD3fJTNAghOf0xJr1uHYb54/6TV0xW4BVaYFe0=; b=eR9RNBVSd8U756lzZffRXt61GeFyiVO8akd6PH743O0x8ZBEGbxcXH2b4m4XdRuGBNEyKb YYQFbn3UmKSiXiz3BnqkBzC73O4V2MuWseoTn9ui28DxwE6pBRKKnN0HNu/NV+xsaXE52q Mm8turh/CF2MSN5SjK5ads0jwIXO4N0= ARC-Authentication-Results: i=1; imf18.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20260515 header.b=jRjDshvC; spf=pass (imf18.hostedemail.com: domain of osalvador@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=osalvador@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1779728940; a=rsa-sha256; cv=none; b=v21n4Sl+IVYfYwYduIaYiFJpHIHX9N70xyzKlEjI/nJILuejDqCObkVPlp8vmgEP8xr5VQ fs2M+lSSCVNCELqEAEVwDmWSqa+HpE2QtyLnATxWmuJJJkcE5CSefbqfHuvtaeyfnysmoG 730xU0bgsgGJJzoZy80+FBO2JHKPrg4= Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id B378E6008A; Mon, 25 May 2026 17:08:59 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7EA601F000E9; Mon, 25 May 2026 17:08:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1779728939; bh=U1fgZMD3fJTNAghOf0xJr1uHYb54/6TV0xW4BVaYFe0=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=jRjDshvCJuJBUTSjrWSgZwa3oyAjxYMnp9jMj7Zk1PtO7XWQSD943spa1Ydul96c5 hRjV98B+z6Q6Bj4K2qggydXo6oBllxOj7Vin6BTULdDHy0vhrmJ+QM8MYOiV3FAwkP 2Kq9vVZettTcSTHxbEUFdqVWNZlr26oqdazIb4Lb+5hKCVARpb7Az7cs7QS0CB9Wh4 ZzwmR6Sf4hJbhZG8cHQ4gIwn7G9sFZq7ls97UbuQaYTdVz0AwA0SKNShBkU4M9YWrf F6mlXaWr94EO3oiyW6NRJuuJCHqo6Ux3DmOO/qGTtewIAiX/UHy5xNULWMuOvkkAwa k7i0K3OtcgvrQ== Date: Mon, 25 May 2026 19:08:49 +0200 From: "Oscar Salvador (SUSE)" To: Muchun Song Cc: Andrew Morton , David Hildenbrand , Muchun Song , Oscar Salvador , Michael Ellerman , Madhavan Srinivasan , Lorenzo Stoakes , "Liam R . Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Nicholas Piggin , Christophe Leroy , Ackerley Tng , Frank van der Linden , 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 v2 09/69] mm/mm_init: Defer hugetlb reservation until after zone initialization Message-ID: References: <20260513130542.35604-1-songmuchun@bytedance.com> <20260513130542.35604-10-songmuchun@bytedance.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260513130542.35604-10-songmuchun@bytedance.com> X-Rspamd-Queue-Id: 41B141C000F X-Stat-Signature: esh1fz7aejauxy1tntsw47mxtzcdp9sb X-Rspam-User: X-Rspamd-Server: rspam12 X-HE-Tag: 1779728940-114871 X-HE-Meta: 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 rBDstt/O 8cEl/EAlVmu8vY3+1gq8f80+9vJ+3DhLomRxwDrnVGhOKPsdgxwMjfu3qROF3MIQDFdyqiKaJMAF6J3/jn4X54+JCqXl53FrNASXywQ3vQKvU3dsbPY2W4+5Ua+O5gon4cSQJf+HUy/K9NRIcd/gSPPhTPVllN2PO3PfaZUDzlpVYGAxCHr6PXdBjWKv1wSWfS4U2GBnLl0tsxJNdVLRPclPHib7lWkNgwKbTMKxcrZ7izy8yiuMK6ILyg0V8/OF4tR6tktXF1byUqztweDVMlxIkP3wrX7NIQhXaa+XrtexBMGYY0FP16X8uQA== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Wed, May 13, 2026 at 09:04:37PM +0800, Muchun Song wrote: > hugetlb_cma_reserve() and hugetlb_bootmem_alloc() currently run before > free_area_init(), so HugeTLB reservation happens before zone state is > initialized. > > Move the reservation step after free_area_init() so the relevant zone > information is available before HugeTLB reserves memory. This is needed > for later hugetlb changes that validate boot-time HugeTLB reservations > against zone boundaries. > > Signed-off-by: Muchun Song Reviewed-by: Oscar Salvador (SUSE) -- Oscar Salvador SUSE Labs