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Received: from willy by casper.infradead.org with local (Exim 4.98.2 #2 (Red Hat Linux)) id 1ujLNV-00000005T4z-3sIZ; Tue, 05 Aug 2025 17:23:09 +0000 From: "Matthew Wilcox (Oracle)" To: Andrew Morton Cc: "Matthew Wilcox (Oracle)" , linux-mm@kvack.org Subject: [PATCH 04/11] mm: Introduce memdesc_zonenum() Date: Tue, 5 Aug 2025 18:22:54 +0100 Message-ID: <20250805172307.1302730-5-willy@infradead.org> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20250805172307.1302730-1-willy@infradead.org> References: <20250805172307.1302730-1-willy@infradead.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 7363410000E X-Stat-Signature: 4nf931aaot59qim7y53q6aq8rf75kpao X-Rspam-User: X-Rspamd-Server: rspam07 X-HE-Tag: 1754414591-314529 X-HE-Meta: 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 GRa/P0dN fe9lD9UQCztm1GlY3uARDD+Ti5olgL4bwHyhC1M3XNdhFWzt+OAoE4ELEqGZQHLl/C+LHPw5gsMxCR7QFh+eQXNBFBbmo5H1QmxxwvbG+vJQAA0sFFxkFQO+NGovtto3/Vcn2RRSAmRzheYQcVI4Fg4Yeee78fP9GTcJhewhBWmceo+r6/1vwXkeOmbkWrPdOnmtO 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: Remove a conversion from folio to page by passing the folio->flags (which are a copy of the page->flags) to the new memdesc_zonenum() function. Signed-off-by: Matthew Wilcox (Oracle) --- include/linux/mmzone.h | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index b4852269da0e..001a696756df 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -1169,15 +1169,20 @@ static inline bool zone_is_empty(struct zone *zone) #define KASAN_TAG_MASK ((1UL << KASAN_TAG_WIDTH) - 1) #define ZONEID_MASK ((1UL << ZONEID_SHIFT) - 1) +static inline enum zone_type memdesc_zonenum(memdesc_flags_t flags) +{ + ASSERT_EXCLUSIVE_BITS(flags.f, ZONES_MASK << ZONES_PGSHIFT); + return (flags.f >> ZONES_PGSHIFT) & ZONES_MASK; +} + static inline enum zone_type page_zonenum(const struct page *page) { - ASSERT_EXCLUSIVE_BITS(page->flags, ZONES_MASK << ZONES_PGSHIFT); - return (page->flags.f >> ZONES_PGSHIFT) & ZONES_MASK; + return memdesc_zonenum(page->flags); } static inline enum zone_type folio_zonenum(const struct folio *folio) { - return page_zonenum(&folio->page); + return memdesc_zonenum(folio->flags); } #ifdef CONFIG_ZONE_DEVICE -- 2.47.2