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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 58A2EEB64DC for ; Sun, 25 Jun 2023 07:39:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231621AbjFYHjU (ORCPT ); Sun, 25 Jun 2023 03:39:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47868 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231168AbjFYHjP (ORCPT ); Sun, 25 Jun 2023 03:39:15 -0400 Received: from out-48.mta0.migadu.com (out-48.mta0.migadu.com [IPv6:2001:41d0:1004:224b::30]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6599C19F for ; Sun, 25 Jun 2023 00:39:13 -0700 (PDT) MIME-Version: 1.0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1687678750; h=from:from: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; bh=i4wN0oKOWHuCd0fTyy5YavBofFk5HORNO1i9De4tuIU=; b=umaE3q0Als9RX48cxcIF2rGGehn1O0+58zR/2OcnTiYwxnAAaB+cnW1pYc9W2CIXE1pD1U Ofx98usgryEIaEU1PxwCSLltAAs+Fho7hJC3TBzR5H7lotra4vEh4gNcvHxerbZdmfvNX4 3ZYHAk6M8BA7rm/by2Pu2UmqjgWwJkw= Date: Sun, 25 Jun 2023 07:39:10 +0000 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: "Yajun Deng" Message-ID: <4c361d62e0b77242fe4b8592c82c4d90@linux.dev> Subject: Re: [PATCH] memblock: Introduce memblock_reserve_node() To: "Mike Rapoport" Cc: akpm@linux-foundation.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org In-Reply-To: <20230625050850.GJ52412@kernel.org> References: <20230625050850.GJ52412@kernel.org> <20230624024622.2959376-1-yajun.deng@linux.dev> X-Migadu-Flow: FLOW_OUT Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org June 25, 2023 1:08 PM, "Mike Rapoport" wrote:=0A=0A> On= Sat, Jun 24, 2023 at 10:46:22AM +0800, Yajun Deng wrote:=0A> =0A>> It on= ly returns address now in memblock_find_in_range_node(), we can add a=0A>= > parameter pointing to integer for node id of the range, which can be us= ed=0A>> to pass the node id to the new reserve region.=0A>> =0A>> Introdu= ce memblock_reserve_node() so that the node id can be passed to=0A>> the = reserve region in memblock_alloc_range_nid().=0A>> =0A>> Signed-off-by: Y= ajun Deng =0A> =0A> What problem does this patch so= lve?=0A>=0A=0AIf we set nid and flags in memblock_alloc_range_nid(), we m= ay not need=0Amemblock_set_node() in memmap_init_reserved_pages().=0A=0AI= tested this patch and delete memblock_set_node() in memmap_init_reserved= _pages().=0AIt works fine. I did not delete memblock_set_node() in this p= atch just in case.=0A =0A> --=0A> Sincerely yours,=0A> Mike.