From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B64FC3A1D05; Mon, 11 May 2026 14:05:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778508353; cv=none; b=jWDH2dyiBiOhZ0yYx2U3facnVBPGGjzDnnXUa8pz8KbCM9IcJaPeEMmlmBKu72h0JbyMw/o1EepTVyJ/yvC61VpVGCj4yybHWAjyyAIxoWjIkw/gGLLYLSXCfgzpavL61GrnwYgXqLR19OUnwGBL2uguAq/JNwAgVC/aHCpIFO0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778508353; c=relaxed/simple; bh=/pOfZWbC9cprP4CiwJVpUWxqpXHz/aiDjfQglaSBebg=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=N4SpvQQCFZ3xQNolTmyORCGxo0lvvgKFc90QV1ZejlZRkRkpjVbLKcOIjB2NgoczOm6IhmJgTxlyRD7vUpjWeCxYvUhyhF/X4/Yg6UJeaU7ASymhELwHEvx/ABaJvOAr5Xwmnjg7ZyEVnEaTrB8Xqy/x9av+Wn5UiaNSiQrPIlE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=jFn6rc26; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="jFn6rc26" 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 Precedence: bulk X-Mailing-List: linux-s390@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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