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From: Shakeel Butt To: "Matthew Wilcox (Oracle)" Cc: linux-mm@kvack.org, Johannes Weiner , Michal Hocko , Roman Gushchin , Muchun Song , Zi Yan , David Hildenbrand Subject: Re: [PATCH 4/5] mm: Simplify folio_memcg_charged() Message-ID: <53tpx2aezzr62sk6hdaa4t7ve53glxvdrpfd3aqg4p573knokd@62xsyc3mrh2s> References: <20250313145856.4118428-1-willy@infradead.org> <20250313145856.4118428-5-willy@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250313145856.4118428-5-willy@infradead.org> X-Migadu-Flow: FLOW_OUT X-Rspam-User: X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 5CD3140008 X-Stat-Signature: cscomqkwkng73j7iqejiaw4xe46mq85y X-HE-Tag: 1741885860-545174 X-HE-Meta: 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 HAwKrEsa yT4P0mG9sBYthVavu/ISujmQpB7Zy1v8rblR+ZCfIrH/ly5YwlwojpG8e8EuUvyCLKGWIs30BCpHolWGjGIv0sS0Mx5CkJpO91KUN0DC1xMBCYE0pKqwd4TVPaHmW4kShrtVcwccQj+5qXUhsVVhJR3QZjKR9gSZ5OVbDQCmnhYzjzAUJutzisokw97PPNuDTDaSRE7q95DUdCw0qoygaRy1XwceGNudZTMWuCSDsaAV7vfNmu9+EXIkWkFJwjghcHc6Raq//vzA7bH3Ih7aP1ilwLu3R4rUX2J8Z 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: On Thu, Mar 13, 2025 at 02:58:53PM +0000, Matthew Wilcox (Oracle) wrote: > There's no need to check which kind of pointer is in the memcg_data > field, all we actually care about is whether it's zero or not. > Saves 70 bytes in workingset_activation() with the Debian config. > > Signed-off-by: Matthew Wilcox (Oracle) Acked-by: Shakeel Butt