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Tue, 26 Aug 2025 02:34:17 -0700 (PDT) Received: from localhost ([185.92.221.13]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-61c316f5017sm6505641a12.35.2025.08.26.02.34.17 (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Tue, 26 Aug 2025 02:34:17 -0700 (PDT) From: Wei Yang To: akpm@linux-foundation.org, david@redhat.com, lorenzo.stoakes@oracle.com, vbabka@suse.cz Cc: linux-mm@kvack.org, Wei Yang , Zi Yan Subject: [PATCH 1/2] mm/page_alloc: use xxx_pageblock_isolate() for better reading Date: Tue, 26 Aug 2025 09:31:47 +0000 Message-Id: <20250826093148.30190-2-richard.weiyang@gmail.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20250826093148.30190-1-richard.weiyang@gmail.com> References: <20250826093148.30190-1-richard.weiyang@gmail.com> X-Stat-Signature: topww91ieg8nfsjxd8s5z3fxoitwcopp X-Rspam-User: X-Rspamd-Queue-Id: A8BC82000D X-Rspamd-Server: rspam01 X-HE-Tag: 1756200859-783852 X-HE-Meta: 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 geazb6zC 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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: Since commit e904bce2d9d4 ("mm/page_isolation: make page isolation a standalone bit"), it provides dedicated helper to handle isolation. Change to use these helpers to be better reading. No functional change intended. Signed-off-by: Wei Yang Cc: Zi Yan Cc: Vlastimil Babka Cc: David Hildenbrand --- mm/page_alloc.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/mm/page_alloc.c b/mm/page_alloc.c index baead29b3e67..e534f31a6b39 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -538,8 +538,7 @@ static void set_pageblock_migratetype(struct page *page, "Use set_pageblock_isolate() for pageblock isolation"); return; } - VM_WARN_ONCE(get_pfnblock_bit(page, page_to_pfn(page), - PB_migrate_isolate), + VM_WARN_ONCE(get_pageblock_isolate(page), "Use clear_pageblock_isolate() to unisolate pageblock"); /* MIGRATETYPE_AND_ISO_MASK clears PB_migrate_isolate if it is set */ #endif @@ -2058,9 +2057,9 @@ static unsigned long find_large_buddy(unsigned long start_pfn) static inline void toggle_pageblock_isolate(struct page *page, bool isolate) { if (isolate) - set_pfnblock_bit(page, page_to_pfn(page), PB_migrate_isolate); + set_pageblock_isolate(page); else - clear_pfnblock_bit(page, page_to_pfn(page), PB_migrate_isolate); + clear_pageblock_isolate(page); } /** -- 2.34.1