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([2a09:80c0:192:0:5dac:bf3d:c41:c3e7]) by smtp.gmail.com with ESMTPSA id f4-20020adff584000000b002f008477522sm1086917wro.24.2023.04.13.04.20.59 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 13 Apr 2023 04:21:00 -0700 (PDT) Message-ID: Date: Thu, 13 Apr 2023 13:20:59 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.9.1 Subject: Re: [PATCH v6 3/3] mm: vmscan: refactor updating current->reclaim_state Content-Language: en-US To: Yosry Ahmed , Andrew Morton , Alexander Viro , "Darrick J. Wong" , Christoph Lameter , David Rientjes , Joonsoo Kim , Vlastimil Babka , Roman Gushchin , Hyeonggon Yoo <42.hyeyoo@gmail.com>, "Matthew Wilcox (Oracle)" , Miaohe Lin , Johannes Weiner , Peter Xu , NeilBrown , Shakeel Butt , Michal Hocko , Yu Zhao , Dave Chinner , Tim Chen Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-xfs@vger.kernel.org, linux-mm@kvack.org References: <20230413104034.1086717-1-yosryahmed@google.com> <20230413104034.1086717-4-yosryahmed@google.com> From: David Hildenbrand Organization: Red Hat In-Reply-To: <20230413104034.1086717-4-yosryahmed@google.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org On 13.04.23 12:40, Yosry Ahmed wrote: > During reclaim, we keep track of pages reclaimed from other means than > LRU-based reclaim through scan_control->reclaim_state->reclaimed_slab, > which we stash a pointer to in current task_struct. > > However, we keep track of more than just reclaimed slab pages through > this. We also use it for clean file pages dropped through pruned inodes, > and xfs buffer pages freed. Rename reclaimed_slab to reclaimed, and add Would "reclaimed_non_lru" be more expressive? Then, mm_account_reclaimed_pages() -> mm_account_non_lru_reclaimed_pages() Apart from that LGTM. -- Thanks, David / dhildenb