From nobody Mon Feb 9 19:31:02 2026 Received: from mail-pl1-f201.google.com (mail-pl1-f201.google.com [209.85.214.201]) (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 5530B1E7C18 for ; Wed, 29 Jan 2025 22:42:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738190548; cv=none; b=swYTI6yO03umo45k3D7F+ykmgB7Hzhau7/ypp8SSYEDZfYdZuvVIZF0sPZXv1jFNC4TJsl1CQQSBGGCh7d4qM+t/LQsRX5N7VUIR1KBbBrdG/OiCvQE323ojQsoxSWf5Uy1B0OnZ+SbK6BB9Wc9CTEXOmkWn5FVoCda51uSlacw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738190548; c=relaxed/simple; bh=QTHPlD8DBqsUzmejBD606RhshqtkZC/oNgf+Sxeez8k=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=DytXg46C/9MupA+us754lVafqIBQdljJuMQQ+lU6el+Ki0Yk/StoGZw+tz8kllOjAL1rs+rBo3MBL0hqdhIPDnZXvBzU9scRwUj9QDC+SbUfrBOxw8b2s74y7RarYQlZeHmhaAvX79YZQ3oZM1NXteFeAxnxe5UwDkOqpD+iETc= 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=kBujwiMl; arc=none smtp.client-ip=209.85.214.201 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="kBujwiMl" Received: by mail-pl1-f201.google.com with SMTP id d9443c01a7336-21648c8601cso2323415ad.2 for ; Wed, 29 Jan 2025 14:42:27 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1738190546; x=1738795346; 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=HdRvrkoUQwVvcsaszF053Gf7pOvYwH0DkTGUOoJ3gDo=; b=kBujwiMlk4DLw0fuvu43TignSypcqn+lvgialRfD2v9stTQ4M/kTMEszQVsRLmQGh/ Ox7iNJev+6Bnl9/Y/HnyzFqwqdTJP9X7YvLZpz+9JtPP2bXFUwKZNBXOx2awav6NB+o1 XxTobjDR09LIxjG9+LfXz+W25/GgRfmHODNe9ZYBN56MuH5Vn4husEFP8nJ7hc8SnohG BKAiCe/2d1UJRAbflEt+59Pn7VCbFxcbW5DB7kDNY18wv1iXzm8fELwDsCtl/rj1IIiO 9NzlKvEhlF/wII1Tdq9T7LaNrlDeZY9UnNZOmK4rpuwwM9Mr9GkaIck84ueAfo2qvSOy 7dAw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1738190546; x=1738795346; 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=HdRvrkoUQwVvcsaszF053Gf7pOvYwH0DkTGUOoJ3gDo=; b=NhZyUU+/SZRWoUQia4vUShR3dUF2Zo4syBelnX7hSYOyudPA50bcU4ALlc6/ndyHiZ VqwEJwuZKahqzipQuiVqLLGVEsrCbOehz18QsUQVQx6oytQSB8oqCpQPFi1wKGUKu9bF Wmj9xM5bEB+Sby8Xmo+rqgEayiLDeT85ZRiiYAa78SRuJi7hzeD1S8os7jcJ2TxlMsiL QER0gm/ledifcKF4uq6TebyI7z2JKzqjdaJtUH58PpCysqWxUtMDkEduGMAYFCTxYUZw nqccc7H9Cdp4BS+zUwzd5iMMP/CdOEbTmS7Twab6ngyLwC8YaOK0AFWi1m+Nmv46cj5q DRIg== X-Forwarded-Encrypted: i=1; AJvYcCVQUpmyBUyZERdbdCvE407lvKypDpqcYl8yIF5Qw98+DwjEiQSeqPKUIkxmLGcgfxv19jm531FeikQ//J4=@vger.kernel.org X-Gm-Message-State: AOJu0YyNX9/MesPk4sriq97owNJ29qFQwKJCUsf5M5rQgdscInBmeIZc cxPYUgHgvmvouzlojnhwNoUZxiALZk28CclTygWPWN5auH+MjM5zhAboFCqJo783YSH+Ug== X-Google-Smtp-Source: AGHT+IFRGE8bafbhkN5A9bi7pt5tKOVuNMtgjq5HbfI2cYsNenspZDtaK1fZTtPkQMrimOxYLTsrX/5U X-Received: from pfbcq13.prod.google.com ([2002:a05:6a00:330d:b0:727:2d74:d385]) (user=fvdl job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6a21:4d05:b0:1eb:22e5:bb76 with SMTP id adf61e73a8af0-1ed7a648dfamr7753541637.42.1738190546527; Wed, 29 Jan 2025 14:42:26 -0800 (PST) Date: Wed, 29 Jan 2025 22:41:35 +0000 In-Reply-To: <20250129224157.2046079-1-fvdl@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250129224157.2046079-1-fvdl@google.com> X-Mailer: git-send-email 2.48.1.262.g85cc9f2d1e-goog Message-ID: <20250129224157.2046079-7-fvdl@google.com> Subject: [PATCH v2 06/28] 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, usamaarif642@gmail.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 18d308d5df6d..196359254cfb 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