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Tue, 26 Aug 2025 19:15:26 -0700 (PDT) Received: from localhost ([185.92.221.13]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-61c316f4fc9sm7871788a12.34.2025.08.26.19.15.24 (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Tue, 26 Aug 2025 19:15:25 -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 v2 1/2] mm/page_alloc: use xxx_pageblock_isolate() for better reading Date: Wed, 27 Aug 2025 02:11:20 +0000 Message-Id: <20250827021121.13645-2-richard.weiyang@gmail.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20250827021121.13645-1-richard.weiyang@gmail.com> References: <20250827021121.13645-1-richard.weiyang@gmail.com> X-Stat-Signature: exwtogwij5z3fnst66c4ahg858dh7aq6 X-Rspam-User: X-Rspamd-Queue-Id: BD93940007 X-Rspamd-Server: rspam01 X-HE-Tag: 1756260927-425931 X-HE-Meta: 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 FW6Rckl5 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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 Reviewed-by: Zi Yan Acked-by: 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