From nobody Fri Dec 19 17:44:10 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 19266277812 for ; Fri, 28 Feb 2025 18:29:57 +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=1740767399; cv=none; b=M+tjOy+c95Dm7OVr52PfjjHs6cmV/HvsVNA1XjaEcbLJo9LbIqWT3OzumUzhSUwnKmwcooEI0xWk4VU3HBHiF9VcTElLURH1RAkcQZgEJgRXHjxBXUbg5hG+Z5Vx182vB8PRyFYKtM96L0LEX8D1TdD1w9T/dVbqPcHKUs71wBI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740767399; c=relaxed/simple; bh=HY2CGcpkWtS+ntQTMmiNkH2cZKOFeEFwZNwW9vji9Mo=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=kGb1XqQxeWbWdr4n09iL3XEYfNWTn76/wE0CeEfGYdhlCfEXYJLiBxGFURYBEvxT+Q0D0+FsS2Q3ccyWwAekph285GCr/0ALvSCKeGwwUyeaeS5DSlIVaRQR0nL9KuZoo5IHVXBWOWb2z85EJATMpo3jBqd5CGcNj9m9EfIOXC8= 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=qXwaL0i2; 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="qXwaL0i2" Received: by mail-pj1-f73.google.com with SMTP id 98e67ed59e1d1-2fc1eabf4f7so5260953a91.1 for ; Fri, 28 Feb 2025 10:29:57 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1740767397; x=1741372197; 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=MFqvkI2A59BbRTUcT+L5ulTUxSAi2JTL7XhWtVP7K+w=; b=qXwaL0i2bV+s5VXeoHAUyKYcMVxs/QQhTnnalMqGGWaMIXWESQIX9ucdpigep+Oees SyaoJA2RPyJYFkYmXWEUwNKcmVTKbYZjkYKjfbhKkjR2JtdJmbXekKpuzvbuC1DH5vwz K2EQalggCbdPU1TJlEYkTGihllUZ8wlc4Gw8qOz33iCMzTLL6wB0UJcrhGGI2/AOrBeB OJcVVLEZ3eORFfJfje3IPtZlVBg0JK8uRuPprcYYfO4B2EI5QNybpRCcymKr9zWGrl0v yADOlIhTPlmYqD9K/jSLVGmIFcgYHj1Mn+ZNUN20x/CB1hEsSXM4Q/F352m4Q10FZk6r U+3A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1740767397; x=1741372197; 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=MFqvkI2A59BbRTUcT+L5ulTUxSAi2JTL7XhWtVP7K+w=; b=qro/2TZLW/4bFmoQfXj61niS0DkRjRGJdBSlo7glcDTwG1BrD5e+YiWg5HcAZmaLZL 4i/MqhA4uLbqx0MRjK9BmtQ0ozFLn4lXDC3sqPK7o1+Qj0blP+5N2Rt+vCC36sXmSruC 6mBx/ceCHep/B843zPmrBRf1YD8oNY1zmktLkhv/P9y0XcVs8nAQr3cy2cqX84L/SZld ilQYerI7XyC9ViX0ex6n+JS1kYZDlA8J2XypzxEEItWfvr7NEvX4LfCu0lhjfyck5Zh4 qo7b8KX8a8yqFfe3OSSwgBJ3Io4I0ouFOwT7PwGugfb3X2GTDZLPaMFc8iG9tynLvFkT d0HA== X-Forwarded-Encrypted: i=1; AJvYcCU4qTl5v6MYGJY4VYl5ColKH+oc9/FCOM2iJtkwppnZp7n8ldcXr12P9O72JOZfFFjKXBnpTF/vcWS0iUc=@vger.kernel.org X-Gm-Message-State: AOJu0YxPlPkYbq/4tnx70CkwVCZDH6EsQreWOwuveVvYBPl1F8pXZPxx 4BQ0XL0iq9ZXtmj7GZlkdxisj/OQR34FDTPyJZyrX5dVSlNu8l8bdbDccuYf+0uWMpKo0w== X-Google-Smtp-Source: AGHT+IHeteXGZQA011CNg8cQpzXHdzrwZLVc5nXKBfxk4YN+FprIvtPh1vjqeNwkbz2HLtK+Z+J7QiKW X-Received: from pjbhl3.prod.google.com ([2002:a17:90b:1343:b0:2fc:11a0:c53f]) (user=fvdl job=prod-delivery.src-stubby-dispatcher) by 2002:a17:90b:4c11:b0:2fe:baa3:b8b9 with SMTP id 98e67ed59e1d1-2febab2bdd6mr7106444a91.4.1740767397292; Fri, 28 Feb 2025 10:29:57 -0800 (PST) Date: Fri, 28 Feb 2025 18:29:06 +0000 In-Reply-To: <20250228182928.2645936-1-fvdl@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250228182928.2645936-1-fvdl@google.com> X-Mailer: git-send-email 2.48.1.711.g2feabab25a-goog Message-ID: <20250228182928.2645936-6-fvdl@google.com> Subject: [PATCH v5 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, ziy@nvidia.com, david@redhat.com, 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 2.48.1.711.g2feabab25a-goog