From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794216268; b=gzH6zAl+qJ0ma9yrNJqtzXfGyjGlaRDhQyczxhPy3Ys0Uf0wEOUgouJTw6zF8xgGPp5k S9VxLgBF5xGuDC9dKGSqFfgNRuldXISvnaO6Mxle+bzVF/iy/JJQcsNO25YvA4bnkdmXo nbVLY/V7Bp7xeVyZIPoluqHqaQZA2XfqFMbrlHQuKjpGBL3DHAoVjZhoTCFcrJKa5FAoN Gf8iUV1gcwx4eO1sMT5Pcqk8pOIDOchhgmTdIVpyqG2LrTKIbnTt9CO3zLH5Tk1NBk9oR Pe6gXFRbdiecI4Aa8kZop0z+BwPNkNpJVX10cU5eRpoi/zpNiSwLlkLdF+Z+04xs1zA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794216268; h=Received:DKIM-Signature:Date:From:To:Cc:Subject:Message-ID: References:MIME-Version:Content-Type:Content-Disposition:In-Reply-To; bh=cNFD8zbRoLqcBaLpUrUz65qzQQyXXiRBbh/ZFm+g/0E=; b=RTmtyThdHsgfZKGCE+8bFRABWPhL1U7VJADZAd5LUt5s5TgmQzYeolDr6t/Mi9yerSSJ mM7/CijWleHdfG9e7s/ngMOSlfwsJ2sa/srV1QhTMke6KdBgY7+Dj9jHaO6ExlJedKpE9 Gn9FRy/u8Fc9YVKZWWUqoZcQO/YuZswr/52GHNnxQNXhcnB0Mjp+/sBaUUb+FKOFB19Av Ebfmk/EclNqN3AtxrUY7diOVZdcw3ESl0J1j9sPkAxXq13lZYaMhaJ6yK7y98ODW1Amj9 UfZ+gBSBH3NB7pphGKrkl0Y2yo02w9lhN0k+JnB+zhQzZa0uja5M0A6KhiEW3CpRkDw== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=RV6f4qcJ; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B0FF6606A31C; Mon, 9 Nov 2026 09:24:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=RV6f4qcJ Received: by smtp.kernel.org (Postfix) with ESMTPSA id 17E841F00921; Mon, 9 Nov 2026 09:24:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794216267; bh=cNFD8zbRoLqcBaLpUrUz65qzQQyXXiRBbh/ZFm+g/0E=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=RV6f4qcJIjlbsx8FxA1gxmtGOYGrqDAqHaEFkjDmVEvh9lKtryFCfIVBh2Syv+Nm5 3pWfPBY0jOJrkRMONpLfK9G4EHDraDOfXd+MhXzuTpE2P9tsEthfMKFGmOQLCDYlzs SrJGyjebs3ZRk2dtFEh1jcZAgMmA+UzzkSel7YKXk43VbE4n0QFjoaKPOUMpS0lDnO 15H2VQcUneTXTIQ+aMXnT45PaTd+sHwAGhegff5F4dk8O3hpM+u4GKIrR7OGwG4/2J uogUUW4aLsfTJs2ixdi0HB3c3kaLECdnu2Awi3Rgj9GQOwpEjUI4amOtG6CTKVQEMx rIaJ9//B6Yzjg== Date: Mon, 9 Nov 2026 10:24:19 +0100 From: "Oscar Salvador (SUSE)" To: Muchun Song Cc: David Hildenbrand , Madhavan Srinivasan , Mike Rapoport , Andrew Morton , Lance Yang , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Ritesh Harjani , Shrikanth Hegde , Oscar Salvador , Qi Zheng , Muchun Song , Huacai Chen , WANG Xuerui , linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-riscv@lists.infradead.org, x86@kernel.org, loongarch@lists.linux.dev, linux-s390@vger.kernel.org Subject: Re: [PATCH v3 5/5] mm/sparse-vmemmap: drop @pgmap from vmemmap population APIs Message-ID: References: <20261107043122.25650-1-songmuchun@bytedance.com> <20261107043122.25650-6-songmuchun@bytedance.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261107043122.25650-6-songmuchun@bytedance.com> On Sat, Nov 07, 2026 at 12:31:22PM +0800, Muchun Song wrote: > The vmemmap population and memory hotplug paths no longer need @pgmap > to decide whether a mapping can be optimized. That state is now carried > in mem_section, and the architecture-specific population code can make > the remaining decisions internally. > > Drop the @pgmap parameter from the vmemmap population helpers and the > related memory hotplug interfaces, and remove the remaining > dev_pagemap-specific coupling from those call chains. > > Signed-off-by: Muchun Song Reviewed-by: Oscar Salvador (SUSE) -- Oscar Salvador SUSE Labs