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Received: from willy by casper.infradead.org with local (Exim 4.97.1 #2 (Red Hat Linux)) id 1rf1Tn-00000002yro-14tX; Tue, 27 Feb 2024 17:42:59 +0000 From: "Matthew Wilcox (Oracle)" To: Andrew Morton Cc: "Matthew Wilcox (Oracle)" , linux-mm@kvack.org, Ryan Roberts Subject: [PATCH v3 13/18] memcg: Remove mem_cgroup_uncharge_list() Date: Tue, 27 Feb 2024 17:42:47 +0000 Message-ID: <20240227174254.710559-14-willy@infradead.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240227174254.710559-1-willy@infradead.org> References: <20240227174254.710559-1-willy@infradead.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: A754E100012 X-Stat-Signature: imn1kknibux68ynqcc6fkmaq3cm55m5o X-Rspam-User: X-HE-Tag: 1709055780-635306 X-HE-Meta: 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 +V7JO5/2 1jGDV1xOScSoT/RQDOOYcMs5YwNxrQJxE53rH2mev0YMuibW1eancd9dPmw1Rxuc4r8nR1ChzrvSMRTq5thH3IWrw7QAvTsfo0Q042QuplLVo9QLuyJ/6YLC5mNEyMKwN2jzwehimxDPEQSZvg39PbAO7+I1wnj477MKlrtGwk9O6AR/aVE5okpWOrLtvzwMZu4Q3yu7RclE/oqZN6bWRDbka7zlvvboIHHyvgF/Oi/ZCL4nKGzeSahzrA1U1/HRIc8o/c9zSiIFqxEYRVFGHpScNBRdglV/rrZpE 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: All users have been converted to mem_cgroup_uncharge_folios() so we can remove this API. Signed-off-by: Matthew Wilcox (Oracle) Reviewed-by: Ryan Roberts --- include/linux/memcontrol.h | 12 ------------ mm/memcontrol.c | 19 ------------------- 2 files changed, 31 deletions(-) diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index 8a0e8972a3d3..6ed0c54a3773 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -713,14 +713,6 @@ static inline void mem_cgroup_uncharge(struct folio *folio) __mem_cgroup_uncharge(folio); } -void __mem_cgroup_uncharge_list(struct list_head *page_list); -static inline void mem_cgroup_uncharge_list(struct list_head *page_list) -{ - if (mem_cgroup_disabled()) - return; - __mem_cgroup_uncharge_list(page_list); -} - void __mem_cgroup_uncharge_folios(struct folio_batch *folios); static inline void mem_cgroup_uncharge_folios(struct folio_batch *folios) { @@ -1301,10 +1293,6 @@ static inline void mem_cgroup_uncharge(struct folio *folio) { } -static inline void mem_cgroup_uncharge_list(struct list_head *page_list) -{ -} - static inline void mem_cgroup_uncharge_folios(struct folio_batch *folios) { } diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 4be37c9a0759..22db1760e9bb 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -7546,25 +7546,6 @@ void __mem_cgroup_uncharge(struct folio *folio) uncharge_batch(&ug); } -/** - * __mem_cgroup_uncharge_list - uncharge a list of page - * @page_list: list of pages to uncharge - * - * Uncharge a list of pages previously charged with - * __mem_cgroup_charge(). - */ -void __mem_cgroup_uncharge_list(struct list_head *page_list) -{ - struct uncharge_gather ug; - struct folio *folio; - - uncharge_gather_clear(&ug); - list_for_each_entry(folio, page_list, lru) - uncharge_folio(folio, &ug); - if (ug.memcg) - uncharge_batch(&ug); -} - void __mem_cgroup_uncharge_folios(struct folio_batch *folios) { struct uncharge_gather ug; -- 2.43.0