From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BB7C7C48BE8 for ; Mon, 14 Jun 2021 20:26:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8EE756124B for ; Mon, 14 Jun 2021 20:26:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235394AbhFNU24 (ORCPT ); Mon, 14 Jun 2021 16:28:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50448 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235202AbhFNU2y (ORCPT ); Mon, 14 Jun 2021 16:28:54 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 42350C061574; Mon, 14 Jun 2021 13:26:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=zj6Gk5AQMbxKlZENjDpoDHAAFtsKfrkJAgG4gDtWSwI=; b=I+hI0JnBgISmZ9jFZIhbbCd9y5 2Jo+5UxylF1hGc+mK/p7ftYbgp+oGnN6RRxIUnh+U6WBr5rNB4veIxFr5YYexSN930q/BpiTvQYYD d1QeUzzYH1UZ/TnJR6Fw6EuYSuUI2xxngn7/IWe80WJ2kM3TGlMrob8piqpRDyrUGsEya2jcMFO6Y e+5vTpM3U5bI0YvQQBjTXBOpiuu8nHnTMcjx4cFOcPvFfu2thtxiGHGi7VvHHtBiXbyEp42nsQVHP j0gDYneOpbpvf6z12upAZ4wErw9yrwhWSde8Kr9Dj4KzjhdByD34DnwnzACMyHaxYYLGxbaexnBwg YS0ivw0Q==; Received: from willy by casper.infradead.org with local (Exim 4.94 #2 (Red Hat Linux)) id 1lst9a-005nls-Vp; Mon, 14 Jun 2021 20:25:59 +0000 From: "Matthew Wilcox (Oracle)" To: akpm@linux-foundation.org Cc: "Matthew Wilcox (Oracle)" , linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Christoph Hellwig , Jeff Layton , "Kirill A . Shutemov" , Vlastimil Babka , William Kucharski Subject: [PATCH v11 17/33] mm/memcg: Add folio wrappers for various functions Date: Mon, 14 Jun 2021 21:14:19 +0100 Message-Id: <20210614201435.1379188-18-willy@infradead.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210614201435.1379188-1-willy@infradead.org> References: <20210614201435.1379188-1-willy@infradead.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add new wrapper functions folio_memcg(), folio_memcg_rcu(), lock_folio_memcg(), unlock_folio_memcg(), mem_cgroup_folio_lruvec(), count_memcg_folio_event() and the folio_lock_lruvec family of functions. No change to generated code. Signed-off-by: Matthew Wilcox (Oracle) Reviewed-by: Christoph Hellwig Acked-by: Jeff Layton Acked-by: Kirill A. Shutemov Acked-by: Vlastimil Babka Reviewed-by: William Kucharski --- include/linux/memcontrol.h | 72 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 72 insertions(+) diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index c193be760709..4460ff0e70a1 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -456,6 +456,11 @@ static inline struct mem_cgroup *page_memcg(struct page *page) return __page_memcg(page); } +static inline struct mem_cgroup *folio_memcg(struct folio *folio) +{ + return page_memcg(&folio->page); +} + /* * page_memcg_rcu - locklessly get the memory cgroup associated with a page * @page: a pointer to the page struct @@ -482,6 +487,11 @@ static inline struct mem_cgroup *page_memcg_rcu(struct page *page) return (struct mem_cgroup *)(memcg_data & ~MEMCG_DATA_FLAGS_MASK); } +static inline struct mem_cgroup *folio_memcg_rcu(struct folio *folio) +{ + return page_memcg_rcu(&folio->page); +} + /* * page_memcg_check - get the memory cgroup associated with a page * @page: a pointer to the page struct @@ -1058,6 +1068,15 @@ static inline void count_memcg_page_event(struct page *page, count_memcg_events(memcg, idx, 1); } +static inline void count_memcg_folio_event(struct folio *folio, + enum vm_event_item idx) +{ + struct mem_cgroup *memcg = folio_memcg(folio); + + if (memcg) + count_memcg_events(memcg, idx, folio_nr_pages(folio)); +} + static inline void count_memcg_event_mm(struct mm_struct *mm, enum vm_event_item idx) { @@ -1129,12 +1148,22 @@ static inline struct mem_cgroup *page_memcg(struct page *page) return NULL; } +static inline struct mem_cgroup *folio_memcg(struct folio *folio) +{ + return NULL; +} + static inline struct mem_cgroup *page_memcg_rcu(struct page *page) { WARN_ON_ONCE(!rcu_read_lock_held()); return NULL; } +static inline struct mem_cgroup *folio_memcg_rcu(struct folio *folio) +{ + return page_memcg_rcu(&folio->page); +} + static inline struct mem_cgroup *page_memcg_check(struct page *page) { return NULL; @@ -1477,6 +1506,21 @@ unsigned long mem_cgroup_soft_limit_reclaim(pg_data_t *pgdat, int order, } #endif /* CONFIG_MEMCG */ +static inline void lock_folio_memcg(struct folio *folio) +{ + lock_page_memcg(&folio->page); +} + +static inline void unlock_folio_memcg(struct folio *folio) +{ + unlock_page_memcg(&folio->page); +} + +static inline struct lruvec *mem_cgroup_folio_lruvec(struct folio *folio) +{ + return mem_cgroup_page_lruvec(&folio->page, folio_pgdat(folio)); +} + static inline void __inc_lruvec_kmem_state(void *p, enum node_stat_item idx) { __mod_lruvec_kmem_state(p, idx, 1); @@ -1544,6 +1588,34 @@ static inline struct lruvec *relock_page_lruvec_irqsave(struct page *page, return lock_page_lruvec_irqsave(page, flags); } +static inline struct lruvec *folio_lock_lruvec(struct folio *folio) +{ + return lock_page_lruvec(&folio->page); +} + +static inline struct lruvec *folio_lock_lruvec_irq(struct folio *folio) +{ + return lock_page_lruvec_irq(&folio->page); +} + +static inline struct lruvec *folio_lock_lruvec_irqsave(struct folio *folio, + unsigned long *flagsp) +{ + return lock_page_lruvec_irqsave(&folio->page, flagsp); +} + +static inline struct lruvec *folio_relock_lruvec_irq(struct folio *folio, + struct lruvec *locked_lruvec) +{ + return relock_page_lruvec_irq(&folio->page, locked_lruvec); +} + +static inline struct lruvec *folio_relock_lruvec_irqsave(struct folio *folio, + struct lruvec *locked_lruvec, unsigned long *flagsp) +{ + return relock_page_lruvec_irqsave(&folio->page, locked_lruvec, flagsp); +} + #ifdef CONFIG_CGROUP_WRITEBACK struct wb_domain *mem_cgroup_wb_domain(struct bdi_writeback *wb); -- 2.30.2