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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id BF6F21099B3B for ; Fri, 20 Mar 2026 22:14:02 +0000 (UTC) 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:Cc:To:In-Reply-To:References:Message-Id :MIME-Version:Subject:Date:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=0MVo4juxzeWuVksI6klPV3IAY30u30mWtuEs7I93cbQ=; b=pRcicgPnbRkW2o W5WT4b7bTNRmi9CrU/rxLRmgm1TldGOqXFth1IT64pBS/V7jETNrkg1eFQVpoZuJeagifYIGNj75l QF0JQCkIqj/zwuXO1yeWAcsa+JiYe/4d37m2cSe1mFFxiejiSr0Hgb14e06aEia3qNtVOqUeYBWQ1 cep8t+YtXgPKXxZEia6plUoxsbYk6f3sti3j5R6CQ7VzkIKQrKap9yTb3jHlfEEV4uu3wpQDDzSCh /rVa3wq5oZ13fsoo4Jwfos6MJXE+NrXxSyGB51ntcAl5Rfg73PQCtKgsqdL2jHocklF1bja0vPHHk eYBjUeKfQWjjeoBXVH0Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1w3i6M-0000000DfLS-3LfZ; Fri, 20 Mar 2026 22:13:54 +0000 Received: from tor.source.kernel.org ([2600:3c04:e001:324:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1w3i6L-0000000DfKa-0woC for linux-riscv@lists.infradead.org; Fri, 20 Mar 2026 22:13:53 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id A993E60126; Fri, 20 Mar 2026 22:13:52 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id CECA5C2BC87; Fri, 20 Mar 2026 22:13:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1774044832; bh=XBR2EPoKpXeNjq1txkLBTh/DgkCJHtoC1PlnginQxtA=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=tInuY984yzdIEuaZJXpPPAPu/jx6o88MxmPXqoEhhmH9XAKSJMbP9JmVw7KDYMdYI cYFzrC3mXShUxMELrJRAOb8iFHCYRFYnMXADOypUly2tPI5LhdRJAlx6Y7vIsodwEE Tb8WTg9dueCXRj24fln2u12nVVjS4oL3Ny2O8BgKFv5WAfttURT/QkCV02wu1LukEt +WqU5eLPOYBtokHGt2yPjG/XvcY29bKMFzXiTW0vweT3cJdrcDYhDTgUwEXHa4yEL4 Ov9DFUt9eHboVve5zoTrH8Bv9mnM+yD+kzQ6+YJzB4D+h8DGu8XFoU9yIoZlUTet3N 5V0hxSVsZnYcA== From: "David Hildenbrand (Arm)" Date: Fri, 20 Mar 2026 23:13:34 +0100 Subject: [PATCH v2 02/15] mm/memory_hotplug: remove for_each_valid_pfn() usage MIME-Version: 1.0 Message-Id: <20260320-sparsemem_cleanups-v2-2-096addc8800d@kernel.org> References: <20260320-sparsemem_cleanups-v2-0-096addc8800d@kernel.org> In-Reply-To: <20260320-sparsemem_cleanups-v2-0-096addc8800d@kernel.org> To: linux-kernel@vger.kernel.org Cc: Andrew Morton , Oscar Salvador , Axel Rasmussen , Yuanchu Xie , Wei Xu , Lorenzo Stoakes , "Liam R. Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Sidhartha Kumar , linux-mm@kvack.org, linux-cxl@vger.kernel.org, linux-riscv@lists.infradead.org, "David Hildenbrand (Arm)" X-Mailer: b4 0.13.0 X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org When offlining memory, we know that the memory range has no holes. Checking for valid pfns is not required. Reviewed-by: Lorenzo Stoakes (Oracle) Reviewed-by: Mike Rapoport (Microsoft) Signed-off-by: David Hildenbrand (Arm) --- mm/memory_hotplug.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index 969cd7ddf68f..0c26b1f2be6e 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -1746,7 +1746,7 @@ static int scan_movable_pages(unsigned long start, unsigned long end, { unsigned long pfn; - for_each_valid_pfn(pfn, start, end) { + for (pfn = start; pfn < end; pfn++) { unsigned long nr_pages; struct page *page; struct folio *folio; @@ -1796,7 +1796,7 @@ static void do_migrate_range(unsigned long start_pfn, unsigned long end_pfn) static DEFINE_RATELIMIT_STATE(migrate_rs, DEFAULT_RATELIMIT_INTERVAL, DEFAULT_RATELIMIT_BURST); - for_each_valid_pfn(pfn, start_pfn, end_pfn) { + for (pfn = start_pfn; pfn < end_pfn; pfn++) { struct page *page; page = pfn_to_page(pfn); -- 2.43.0 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv