From nobody Fri Dec 19 09:11:05 2025 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 3C38A27292D for ; Tue, 18 Feb 2025 18:17:14 +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=1739902637; cv=none; b=tT7muX3hprueuDaCebEvmYjsZNO3D1P7+uKnWavSK5AsKoKxiTVWu8vmB1C6mpPHPzR0pi9LIF6FxtLmx7Fhqa+2vybLBOc/jddRVCvmaR8oHFvMvMpt21zOs8VP4wmJu8qtiOT9uS67l4Ds//A0cwab6q85ta15ilTiRk1W7XA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739902637; c=relaxed/simple; bh=fow4xQaB74E7iIbvsaveqKGwdtA43VpX3C+imLYMWio=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=jdgZpESCPj9fEZLgzdSIYH75/KVrxuJlbzIpWln3/Jx6M2bBgKlJgs6wyZbxk71/92/Sqp4Vfu5r2fFKbmgek5qAU/gFpMVzJ2u7TtWVjlvthTf0h1NbCjoHHvW1N73hvKptbhBtohHeQLD0Zsq3Ys1wTkSUXZSMDCz3zNGhKgI= 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=oLQ2W+P3; 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="oLQ2W+P3" Received: by mail-pj1-f73.google.com with SMTP id 98e67ed59e1d1-2fc46431885so10134793a91.2 for ; Tue, 18 Feb 2025 10:17:14 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1739902634; x=1740507434; 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=u/xuszDLPFK7URQqd9Wqbe7y8mvvdnw5mOni6+3Gut4=; b=oLQ2W+P3YdiaRwTaVHkTxrM83QESKfziaIOw49Fbw95P32/g1Y/It35+DQMmBu+26w gfXiXX2DVDDyTo9n/iwhDy6p/hMghy+2X09s5ppqTZDtaQqUtWy3t1qyR0pEg0IPy1So cRLFZ9T9MDyKDUA2WjP3VI8FvxdDWyH/kMZo4AMSzTGGEob0THHBR0kqNJ6EX/dedj32 BSi7ZzQQUVpwxmvqIlHEbEHLmFzWcx6AIGFMQHDNyqyhsMx2DixnF/afn56rJVRh6IE+ 2md39SZrzBvRBc+XU/CiJl4+kDphTX1kMTnjEs1EEX0zD3l7x5I1UXiToAC9JAlSMaIi foag== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1739902634; x=1740507434; 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=u/xuszDLPFK7URQqd9Wqbe7y8mvvdnw5mOni6+3Gut4=; b=ColXf6CDlnodTFA/3Ec9tG3W9+CDAEIdxSmV3Gg2sUSdROKlZ7WHla1+OFiuQQ2hZu 1ocOnOMExMG+cdvaVpE0HKy54d99NKW981sbSz+ygYejkKhcyqSiKpGjKsNeJiu39zWp 7xcrLNnq+mahk1KyPUwf3Mb5g2Jdre8t2FFs0n9VUsl+KZu3pyaMT68iXfQLEdK1Ujtz chxPDyixuQAuHO2iip8A0OkObTKUWdtJfLqIeUVF6AgfS8a43RgdpWVbFmqmvQWbjk6z 13B/4/tqoT+ynlUDCOQ0LX/GsAx17wg987uoR4ytepfC6uW4A8K+eBWm89P1FqIOEAZl hE7g== X-Forwarded-Encrypted: i=1; AJvYcCUJu0XIhMpx3R2pQrVGSFZNVwT/5z2bJY06J/IZgQSznbKyipbIyctU1+fl5a6aynb22KZf8q87Dc5fTak=@vger.kernel.org X-Gm-Message-State: AOJu0Yzt1bZXoz6WghC5bd3wVWCf8G4//xmrLJfS8quUWt1TA9NpZVxA p/k94/NOky7yKXyp1WCSaHVBMs+5YgfDRCmMm5mM9aV1/VdGZplPA1w/pOajxASffynC7A== X-Google-Smtp-Source: AGHT+IG+/GahjgZk9wH9MMpH5rIkZMWL8OoiRoUarubQVIw+Za1lYfVaSifBByt4Dpo+odnYODGrih6V X-Received: from pfbce6.prod.google.com ([2002:a05:6a00:2a06:b0:730:8e17:ed06]) (user=fvdl job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6a21:7898:b0:1ee:7c7d:d699 with SMTP id adf61e73a8af0-1ee8cc08368mr27621857637.35.1739902634501; Tue, 18 Feb 2025 10:17:14 -0800 (PST) Date: Tue, 18 Feb 2025 18:16:33 +0000 In-Reply-To: <20250218181656.207178-1-fvdl@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250218181656.207178-1-fvdl@google.com> X-Mailer: git-send-email 2.48.1.601.g30ceb7b040-goog Message-ID: <20250218181656.207178-6-fvdl@google.com> Subject: [PATCH v4 05/27] 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, usamaarif642@gmail.com, joao.m.martins@oracle.com, roman.gushchin@linux.dev, Frank van der Linden , Oscar Salvador 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. Reviewed-by: Oscar Salvador 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 fadfacf56066..d6d7ebc75b86 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -3198,7 +3198,6 @@ 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 2.48.1.601.g30ceb7b040-goog