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AJvYcCVNOJhNl1NpJkrSQfJ6AjJN6JEXoMN5DPHeYklMfhroKqIPyGyfeJglAZneyhSvqMhLdzoan82jCA==@kvack.org X-Gm-Message-State: AOJu0YyAd3+vQdYoygqxpvV1ElRpq/e1BYKcTCXS0PVnpPmgOVjkvQG4 O2keI+xj8ZIaxMi8+xi3TvgiQDbDH9gghDLGGVM6PCnmaYh8M0oe+fLeyTgXZjnex4KPXw== 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> 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 X-Rspam-User: X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: 5E226A0007 X-Stat-Signature: 6iy4xntc39x94o7nwpjdiwa45ae1n5m1 X-HE-Tag: 1740767398-33036 X-HE-Meta: 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 SQGCmnfg 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: 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(struct folio *folio, for (pfn = head_pfn + start_page_number; pfn < end_pfn; pfn++) { struct page *page = pfn_to_page(pfn); - __ClearPageReserved(folio_page(folio, pfn - head_pfn)); __init_single_page(page, pfn, zone, nid); prep_compound_tail((struct page *)folio, pfn - head_pfn); ret = page_ref_freeze(page, 1);