From nobody Tue Feb 10 05:17:46 2026 Received: from mail-pj1-f73.google.com (mail-pj1-f73.google.com [209.85.216.73]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 60C6D1DE2DC for ; Mon, 27 Jan 2025 23:22:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.73 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738020155; cv=none; b=H/EXcArepyFvB2v5s4JPcS/6zfcNqcsgfh/Wv5VexNs3b3dHNldNwc5MGwEJ/uOa4vJDumO9IFOvrFdaOAeHf97MC2WW9Hgi7qti+i8nNJzXSmlbzuVxzL5wtWitzB+NkidipXvjVERdsek+ueWp3QRW2jzdxOCUAPtUynTYScU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738020155; c=relaxed/simple; bh=ftNpM9sLy9jPb+O2UX5uToSjCHNwYi6Uo78MLcbPlpQ=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=W/QezKDOlVNeP+dNUlU/LO/bSg9BPTTFME8v+eMytW8TdUSKywyJYQz0pq14AO1CTkwowt8eESYt31g4kRfD/6U5oCyoYR/anb9LjlxdeZ5Ct1gfRhyTmlKZ7eejc2BOGA3EiVbJDvmJMIqSQCRtsEspY+UiqnZDEbORZDmf8qo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--fvdl.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=rBSS5lOe; arc=none smtp.client-ip=209.85.216.73 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--fvdl.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="rBSS5lOe" Received: by mail-pj1-f73.google.com with SMTP id 98e67ed59e1d1-2f46b7851fcso14718618a91.1 for ; Mon, 27 Jan 2025 15:22:34 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1738020154; x=1738624954; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=zdlGmP9L9NTeXFx5SYfMc8nzNQTgYbXoPVkbkgOx1Bc=; b=rBSS5lOeNvDqJLzhb+isGj5XBCTMNlgTUGzmaggKZceUQXg6vf1T6bPG7JTk9SxAzr 0d5K3UZyNGW+2T215r6cHuiJsvCfSNFsOHoPFVAxK1TP+6bVnwYZ1V0vEMJVg5NuDGoI 3v1k2Eo28SJE7hP/snXcX8qNcDCq6JEGv/9et0KG3P0KGe/pzNRvFE7E44UWFzAywcNN lLv5PctNv6F9uGfSqxelpmY1vOkNxVKTCxRPriTFaZIWRQm1BLEz+jUno8njJpz7d7Xu CGViIDRFacxbLN0P0PRxPMjly+f4fSvf3WOBftQM/mWvW5lyoETE0INuvwX9I9fnNpPq 6Q/w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1738020154; x=1738624954; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=zdlGmP9L9NTeXFx5SYfMc8nzNQTgYbXoPVkbkgOx1Bc=; b=tLgpRZAaCRPkEPJCWZd9KS1KTqlCAzsuZD88XWBWyLK5ZeXu6ExQYgGYCS9e2j/5cL 9hGBIbGVuDptMO5LLXUXlgzjGWB1xIRHaQrzO+bR239MavXtD8WWytOcjmxdB/lB5zgj q1OOGzwMzDXRFRkIkIq/U+DHE1XNH9A94Rz6dt/v3YH1bF6hNhBL+51J4O3b5+V0jCVM ZjPwCqQ7b6xdA0ptwTv7FJRyAtKaFaUI5otkQRZxUoWCsi1sHf1qMEuwFVjH4fehjgYN mK23OvPxNFCTmWTc2AncGPsdcwZhQQlteyJdFt4b8kGJg9SItKGvo+BBGU8P+njnURhB stIQ== X-Forwarded-Encrypted: i=1; AJvYcCU9icsp7rFPgMgTpbu6rdZREqERyrrOXuuhtSTUPhZnfSvEpUu/p/yS3Q4tyySTLYkZ43Ku0du6qLugD1w=@vger.kernel.org X-Gm-Message-State: AOJu0YwA/+/29DCIYn+mpU9A5Pdn9MWGZNYOyHl6nc/WOKM0W36f2pDQ q9NV5Gb4ImT5FM8DKuE3Ch/aOQ3bJIHGudK2Z1335nM5nBtRSNqoZjYH5TGpj48mX06meQ== X-Google-Smtp-Source: AGHT+IFlFbrxNKithJCsS+Ck+q6dt+mbWvci6cGtOTdu4D57StTnGf5tAZyUAhoCUWfD8qTUOWq9gHhk X-Received: from pfbcg7.prod.google.com ([2002:a05:6a00:2907:b0:728:aad0:33a4]) (user=fvdl job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6a00:2443:b0:726:c23f:4e5c with SMTP id d2e1a72fcca58-72daf9be6a8mr52518917b3a.1.1738020153756; Mon, 27 Jan 2025 15:22:33 -0800 (PST) Date: Mon, 27 Jan 2025 23:21:46 +0000 In-Reply-To: <20250127232207.3888640-1-fvdl@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250127232207.3888640-1-fvdl@google.com> X-Mailer: git-send-email 2.48.1.262.g85cc9f2d1e-goog Message-ID: <20250127232207.3888640-7-fvdl@google.com> Subject: [PATCH 06/27] mm/hugetlb: remove redundant __ClearPageReserved From: Frank van der Linden To: akpm@linux-foundation.org, muchun.song@linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org Cc: yuzhao@google.com, usama.arif@bytedance.com, joao.m.martins@oracle.com, roman.gushchin@linux.dev, Frank van der Linden Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" In hugetlb_folio_init_tail_vmemmap, the reserved flag is cleared for the tail page just before it is zeroed out, which is redundant. Remove the __ClearPageReserved call. Signed-off-by: Frank van der Linden --- mm/hugetlb.c | 1 - 1 file changed, 1 deletion(-) diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 1441a3916b32..42d8334d13bb 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -3202,7 +3202,6 @@ static void __init hugetlb_folio_init_tail_vmemmap(st= ruct folio *folio, for (pfn =3D head_pfn + start_page_number; pfn < end_pfn; pfn++) { struct page *page =3D pfn_to_page(pfn); =20 - __ClearPageReserved(folio_page(folio, pfn - head_pfn)); __init_single_page(page, pfn, zone, nid); prep_compound_tail((struct page *)folio, pfn - head_pfn); ret =3D page_ref_freeze(page, 1); --=20 2.48.1.262.g85cc9f2d1e-goog