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 lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (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 A92A4CD37AC for ; Mon, 11 May 2026 14:06:06 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [127.0.0.1]) by lists.ozlabs.org (Postfix) with ESMTP id 4gDhMl5XQYz2y8F; Tue, 12 May 2026 00:05:55 +1000 (AEST) Authentication-Results: lists.ozlabs.org; arc=none smtp.remote-ip=172.234.252.31 ARC-Seal: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1778508355; cv=none; b=PWv9Tc3tBf/E/RQVWWDUgCkM6MZHmXZH4iYAreSd+iGtY9z5fwGGnTur1GfmbIrhkiy7M3zO/z3aFMQr8yoqyUa58TpuFqCxl+LyI8/n8OmMW5xieDaPGqWWjGJqQeGDvdkIgtEx+qwtK5zJHjxBe/PxgyII3MdeH52V+GKS3ZUX/hfAG3VNOKYaLXbroTi4nzvkjUi4uOTlOoEKrGI35/6BSHfcYKXOddcMUeYPrEvQxV37Hmh6e8OXkaFzV4/kGiCptD8x44PWazJY22nIvZgJl06VG2UNw9W5fIfBA5Zhb9JFV7rUC1g3KlviNCt4o5Dad3n/3A4ReyDFLkypVg== ARC-Message-Signature: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1778508355; c=relaxed/relaxed; bh=ZC4r38RDJedpfkVWmxeFcuvQv0qCmJ9k9gsjGbbNczQ=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=LjRfdzSLMljNuMKohTYa4v1gZxhMQkWX3mAk0jkJqtlYtwtKO/KyebOJ4NzbF5QSDcCD3GZGJJeM0xbpVNi3OZ16Bu3T/LB0apZek4/+VLr86HkXRo8t6IQvDz70lUUjhUiuwbhaT33/A7TZQuXFv7yxRp+5bjuwtoH4RbH0dOwApMKQ0CJj5A9qp5O0dWHraZHP31MIJ3z1OdLT1ZdCdmVd+pcYyPN0xiXFm3OMPLyEOCVRddjKHHFaALuxfrJ7xKGpK6Q06/uEL8KEInT+PnICWFQUXoE0G5pT3bzD8+kQ77SZivS4tRNjRWEL5Xs8CQq+GZb3L4a6tR5QZfvnqg== ARC-Authentication-Results: i=1; lists.ozlabs.org; dmarc=pass (p=quarantine dis=none) header.from=kernel.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=jFn6rc26; dkim-atps=neutral; spf=pass (client-ip=172.234.252.31; helo=sea.source.kernel.org; envelope-from=david@kernel.org; receiver=lists.ozlabs.org) smtp.mailfrom=kernel.org Authentication-Results: lists.ozlabs.org; dmarc=pass (p=quarantine dis=none) header.from=kernel.org Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=jFn6rc26; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=kernel.org (client-ip=172.234.252.31; helo=sea.source.kernel.org; envelope-from=david@kernel.org; receiver=lists.ozlabs.org) Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange x25519) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4gDhMl1kJ0z2x9N for ; Tue, 12 May 2026 00:05:55 +1000 (AEST) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id B4C4140564; Mon, 11 May 2026 14:05:53 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2174AC2BCB0; Mon, 11 May 2026 14:05:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1778508353; bh=/pOfZWbC9cprP4CiwJVpUWxqpXHz/aiDjfQglaSBebg=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=jFn6rc26M9OimLWckkvKk1AgDXLVRQ8KuE9cyARG9LjU74GLBScBL5ialIQnbM93F woMLS+u4RhxAlTgupssA1sorXxYcum1WHRotK0UyqZjoAHHLvfS5PwOCqEMfqH2g8r Cq6VkdIkThwjJBi6COurSnGP5bgL8ouiUkmuGTHsbRH4o4xgsR3kjwiycdRBvsBiO2 EqB5/uXejMTMhTCiE4a8cj5wkeQVQTyhoqboCovHIJmID6kpbkjYI8zq+oCBt75XsQ 4FAMUU+RPV64+1jg9eyDe2vR8+R3iYSWTAGj2PrJYzw8WeYR7XTO71JWBIFUgLxaAI 9DNXm86BpBjXA== From: "David Hildenbrand (Arm)" Date: Mon, 11 May 2026 16:05:31 +0200 Subject: [PATCH 3/8] mm/bootmem_info: stop using PG_private X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260511-bootmem_info_prep-v1-3-3fb0be6fc688@kernel.org> References: <20260511-bootmem_info_prep-v1-0-3fb0be6fc688@kernel.org> In-Reply-To: <20260511-bootmem_info_prep-v1-0-3fb0be6fc688@kernel.org> To: "David S. Miller" , Andreas Larsson , Mike Rapoport , Andrew Morton , Alexander Gordeev , Gerald Schaefer , Heiko Carstens , Vasily Gorbik , Christian Borntraeger , Sven Schnelle , Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , "Christophe Leroy (CS GROUP)" , Lorenzo Stoakes , "Liam R. Howlett" , Vlastimil Babka , Suren Baghdasaryan , Michal Hocko Cc: sparclinux@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-s390@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, "David Hildenbrand (Arm)" X-Mailer: b4 0.13.0 Nobody checks PG_private for these pages, and we can happily use set_page_private() without setting PG_private. So let's just stop setting/clearing PG_private. Signed-off-by: David Hildenbrand (Arm) --- mm/bootmem_info.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/mm/bootmem_info.c b/mm/bootmem_info.c index a0a1ecdec8d0..6e2aaab3dca9 100644 --- a/mm/bootmem_info.c +++ b/mm/bootmem_info.c @@ -19,7 +19,6 @@ void get_page_bootmem(unsigned long info, struct page *page, { BUG_ON(type > 0xf); BUG_ON(info > (ULONG_MAX >> 4)); - SetPagePrivate(page); set_page_private(page, info << 4 | type); page_ref_inc(page); } @@ -32,7 +31,6 @@ void put_page_bootmem(struct page *page) type > MEMORY_HOTPLUG_MAX_BOOTMEM_TYPE); if (page_ref_dec_return(page) == 1) { - ClearPagePrivate(page); set_page_private(page, 0); kmemleak_free_part_phys(PFN_PHYS(page_to_pfn(page)), PAGE_SIZE); free_reserved_page(page); -- 2.43.0