From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=91.218.175.173 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794205003; b=QK/ugQZwYt/laAO0uZlJfPjOiFM/dCr7QoJgEweRE91mpnTDBX0WRn2Ekq6ZwuQT929E 5/rOTvhu+N0KdH/nrIiVPjNSGOuC22r/eGnw5aRaC4MVaHpvg5b45bGUljGtEL9HORa84 /3qscCOcIsZkTGx+faIaTt36jM+7wP2X/5tRaRWnoGuTBcbxMkQMqJ9cpE+22r2491g4k MuRbSTxlpMdr9K1/i7JqrWQ9m6y6hroOhoqtvHSNjAl3TzD6JHFHWW9aTvI98SUd0xIvs 2ZWz4plHOn/tSnsTcbxvDKByM+OwpoUmDbNjYM4KDODl+NeyGur4nYRYbS1+aCG9eBg== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794205003; h=DMARC-Filter:X-Envelope-To:DKIM-Signature:X-Envelope-To:Received: X-Mizu-Trace-ID:X-Migadu-Flow:From:To:Cc:Subject:Date:Message-ID: X-Mailer:In-Reply-To:References:MIME-Version:Content-Type: Content-Transfer-Encoding; bh=rLoo3d8wA/2dmWzlOHmZSdy7DBfGYigRliA9FCVCD2U=; b=1zeuizIhXTbit8YtmBqN1+cRh9iF5JGef+Bei5jMYPr1/VXpeNAeiaNNyotcV6ToYH/p psbGFNLZavr79y2UygJs9k4hGaLm/oqzCh+iyXR9aReP79Zz0c2kKmaMOY7dzIhKmiLcG DLxzEVqUrL3eUuUFeDztlCEXHcInJ937SQ8Nd1byS3+DQ51iOGB4yCC7SuWRP2AuW+6y4 Hvps27fNdv7KIwaFWSRqx6MxPzAdhwXj78rNyemmKrsQbo6cxUB3LKNaZK52W6NColVFx OeP07g1xMEHyERxj3tYZ4hJFfrbCNeIRHfCXIsk1NekYE7Z5Scoa762xWXr25Augm5A== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass header.d=linux.dev header.i=@linux.dev header.a=rsa-sha256 header.s=key1 header.b=YdOHLkm1; arc=none smtp.remote-ip=91.218.175.173 Received: from mta0.migadu.com (out-173.mta0.migadu.com [91.218.175.173]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8D9DD606A31C for ; Mon, 9 Nov 2026 06:16:42 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 8D9DD606A31C Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key, unprotected) header.d=linux.dev header.i=@linux.dev header.a=rsa-sha256 header.s=key1 header.b=YdOHLkm1 X-Envelope-To: linux-s390@vger.kernel.org DKIM-Signature: a=rsa-sha256; bh=rLoo3d8wA/2dmWzlOHmZSdy7DBfGYigRliA9FCVCD2U=; c=simple/simple; d=linux.dev; h=from:to:subject:date:message-id:mime-version:content-type; s=key1; t=1794205000; v=1; x=1794809800; b=YdOHLkm18ej0NUagkOx5fL3TEOgHMQ4gnUIWPRRwP2usH38o0YIcXOhwUKSi9HBHrLmHN3CF VnYMJvdPfaRR5Gnc4oHs25xqt4OL2JddMSYjRcOZQnm+keRRQyCMa8U5/cjU5k8uVN1qEiWUb8p luxB4nmOtrLFMWZo/OoPRgjQ= X-Envelope-To: linux-s390@vger.kernel.org Received: by smtp.migadu.com with ESMTPS id b7a98a3c4281100a; Mon, 09 Nov 2026 06:16:40 +0000 X-Mizu-Trace-ID: b7a98a3c4281100a X-Migadu-Flow: FLOW_OUT From: Lance Yang To: songmuchun@bytedance.com Cc: david@kernel.org, maddy@linux.ibm.com, rppt@kernel.org, akpm@linux-foundation.org, lance.yang@linux.dev, mpe@ellerman.id.au, npiggin@gmail.com, chleroy@kernel.org, ritesh.list@gmail.com, sshegde@linux.ibm.com, osalvador@suse.de, qi.zheng@linux.dev, muchun.song@linux.dev, chenhuacai@kernel.org, kernel@xen0n.name, 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 Date: Mon, 9 Nov 2026 14:16:30 +0800 Message-ID: <20261109061630.47601-1-lance.yang@linux.dev> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20261107043122.25650-6-songmuchun@bytedance.com> References: <20261107043122.25650-6-songmuchun@bytedance.com> X-Mailing-List: linux-s390@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=UTF-8 Content-Transfer-Encoding: 8bit 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 >--- I had another another another look and couldn't spot a missed caller :D Might as well stop passing pgmap around now that nothing down there uses it. LGTM1 Feel free to add: Reviewed-by: Lance Yang From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E93F0606A321 for ; Mon, 9 Nov 2026 06:16:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=rEGfSNCR; dkim=fail reason="signature verification failed" (1024-bit key, unprotected) header.d=linux.dev header.i=@linux.dev header.a=rsa-sha256 header.s=key1 header.b=YdOHLkm1 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Unsubscribe-Post:List-Owner; bh=OzbGxbXY4gD9exQLLkIxJd0rk9wcezL2eJfCYceKLzE=; b=rEGfSNCRVnEpJDprl8mz/4j0i6 17sYRSha62DImwS+ye4UtAAIrK0pZHxrqYlKagkmI/xVaal0yqsEkdye8PaDyCjAxWghbdlyvmRIm 3JqQ3GqwjjlgU3SO93/KwoeAlK5keXzCmbIr+wwLzgLqxslofSAMcM6a+MTt4z2KlLVrafgcCnSoi mmRiTnFy8R+fYqvJHRBX4RdQ+6EMRHwwDg9dkOGoG5Xyv4I0D73bQqzsAJK261e/C5lmjm77qxeC3 PLhWRzxqsq1ptJUa44AO7+7T2Nc3JK96CuHuI7rl+V3rnuyMVf9GStDxsVoLIrPwM/o8fDn0SHJr9 rmaAUb9g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.100.1 #2 (Red Hat Linux)) id 1xQIgQ-0000000HTuw-2sPx; Mon, 09 Nov 2026 06:16:46 +0000 Received: from out-244.mta0.migadu.com ([2001:41d0:1004:224b::f4] helo=mta0.migadu.com) by bombadil.infradead.org with esmtps (Exim 4.100.1 #2 (Red Hat Linux)) id 1xQIgN-0000000HTuH-2lZb for linux-riscv@lists.infradead.org; Mon, 09 Nov 2026 06:16:45 +0000 X-Envelope-To: linux-riscv@lists.infradead.org DKIM-Signature: a=rsa-sha256; bh=rLoo3d8wA/2dmWzlOHmZSdy7DBfGYigRliA9FCVCD2U=; c=simple/simple; d=linux.dev; h=from:to:subject:date:message-id:mime-version:content-type; s=key1; t=1794205000; v=1; x=1794809800; b=YdOHLkm18ej0NUagkOx5fL3TEOgHMQ4gnUIWPRRwP2usH38o0YIcXOhwUKSi9HBHrLmHN3CF VnYMJvdPfaRR5Gnc4oHs25xqt4OL2JddMSYjRcOZQnm+keRRQyCMa8U5/cjU5k8uVN1qEiWUb8p luxB4nmOtrLFMWZo/OoPRgjQ= X-Envelope-To: linux-riscv@lists.infradead.org Received: by smtp.migadu.com with ESMTPS id b7a98a3c4281100a; Mon, 09 Nov 2026 06:16:40 +0000 X-Mizu-Trace-ID: b7a98a3c4281100a X-Migadu-Flow: FLOW_OUT From: Lance Yang To: songmuchun@bytedance.com Cc: david@kernel.org, maddy@linux.ibm.com, rppt@kernel.org, akpm@linux-foundation.org, lance.yang@linux.dev, mpe@ellerman.id.au, npiggin@gmail.com, chleroy@kernel.org, ritesh.list@gmail.com, sshegde@linux.ibm.com, osalvador@suse.de, qi.zheng@linux.dev, muchun.song@linux.dev, chenhuacai@kernel.org, kernel@xen0n.name, 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 Date: Mon, 9 Nov 2026 14:16:30 +0800 Message-ID: <20261109061630.47601-1-lance.yang@linux.dev> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20261107043122.25650-6-songmuchun@bytedance.com> References: <20261107043122.25650-6-songmuchun@bytedance.com> X-Archived-By: MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261108_221643_830116_D8E31274 X-CRM114-Status: UNSURE ( 4.72 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -2.1 (--) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" X-Spam-Status: No, score=-11.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_EF,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 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 >--- I had another another another look and couldn't spot a missed caller :D Might as well stop passing pgmap around now that nothing down there uses it. LGTM1 Feel free to add: Reviewed-by: Lance Yang _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv