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=-26.3 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT,USER_IN_DEF_DKIM_WL 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 C5A9BC4332B for ; Sat, 13 Mar 2021 07:59:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 90B8C64F1F for ; Sat, 13 Mar 2021 07:59:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233424AbhCMH6i (ORCPT ); Sat, 13 Mar 2021 02:58:38 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58970 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232431AbhCMH6D (ORCPT ); Sat, 13 Mar 2021 02:58:03 -0500 Received: from mail-yb1-xb4a.google.com (mail-yb1-xb4a.google.com [IPv6:2607:f8b0:4864:20::b4a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A425FC061574 for ; Fri, 12 Mar 2021 23:58:03 -0800 (PST) Received: by mail-yb1-xb4a.google.com with SMTP id 194so31802025ybl.5 for ; Fri, 12 Mar 2021 23:58:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:in-reply-to:message-id:mime-version:references:subject:from:to :cc; bh=773qLo/LiVz4n2L5CNuvuPAbdhL5vI+dQXWkGfq22YM=; b=s62F923cqY3HHxlJ4hYL4HxcRTUA1o1Vmr0HgcffuxiRKFFBC1czWP98NMUIxWHBf1 ZTyWeNYix1pSuyOzyeK0NFpxLIWOmX10rPMvqWp8DuHg1yJhrNIGNko3fZT0atoX3aT9 tvbuoR86gyhnQZ8eh7p7K/l32hNMDiL/9yg2skyWxrtzqXc2LkdkDBaiklyidpzGD9Xo glkEqmmHlh+PbMf1URYMZzEcs1zoLYSWmku5OQ0gpaw9yflCHjp7u8qrrfyCRliYK3I/ Tc+BFkGgrB7u8ficVc0QKkIHZrZFoWgOnbQ0s8MxrT5IfVlLG0WbP3MEYNuJZFSmG8zL SKVQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=773qLo/LiVz4n2L5CNuvuPAbdhL5vI+dQXWkGfq22YM=; b=JutL0wSOtSKnXJpfp0Rn/HxX7HIFKRMSUwsEChk8vd4csU2mQte1wA+/+UuChaDIbU LAbDmBYxJhnK4nlISGat+zJubGDWfCTB+UZ0ZMedNwvo4kQ6wCMcrBVBswWbPfpCjDwr A4KWgVBEKj1hggrx43gbsIj1+nseOCIQxhyAyqUZPXMWyh5DbkzFwS/Ofm/k9MlAtqkm kxvprFWjiL/B2UVHRa6QH0Pd81vDVjQVhL1VANnhSRBRqVhMl9CKh6LDeEXIQ/j/SUW1 sU5WIzhVZuh5Ce8LmXpg49O0w7XWFKmLxS65P39JtYklewPiPLasFUZmGGQIW0YkgSAb ikpA== X-Gm-Message-State: AOAM531sNbnzQRY0viG10kk0YQk3CPKaMfG7csYITYFCtPUjz1sM9Whr xig3F1mAxIB/3uXuYRA3nVADy29ViV4= X-Google-Smtp-Source: ABdhPJyM3uGtugEuR+BtqyW7Pcf+QxhuRuUSNVC/LK4e6LJubLVomvaz1At1w7Vl14tsop0cWxsmMMW22Kg= X-Received: from yuzhao.bld.corp.google.com ([2620:15c:183:200:f931:d3e4:faa0:4f74]) (user=yuzhao job=sendgmr) by 2002:a25:d84b:: with SMTP id p72mr22707445ybg.272.1615622282832; Fri, 12 Mar 2021 23:58:02 -0800 (PST) Date: Sat, 13 Mar 2021 00:57:38 -0700 In-Reply-To: <20210313075747.3781593-1-yuzhao@google.com> Message-Id: <20210313075747.3781593-6-yuzhao@google.com> Mime-Version: 1.0 References: <20210313075747.3781593-1-yuzhao@google.com> X-Mailer: git-send-email 2.31.0.rc2.261.g7f71774620-goog Subject: [PATCH v1 05/14] mm/swap.c: export activate_page() From: Yu Zhao To: linux-mm@kvack.org Cc: Alex Shi , Andrew Morton , Dave Hansen , Hillf Danton , Johannes Weiner , Joonsoo Kim , Matthew Wilcox , Mel Gorman , Michal Hocko , Roman Gushchin , Vlastimil Babka , Wei Yang , Yang Shi , Ying Huang , linux-kernel@vger.kernel.org, page-reclaim@google.com, Yu Zhao Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Archived-At: List-Archive: List-Post: Export activate_page(), which is a merger between the existing activate_page() and __lru_cache_activate_page(), so it can be used to activate pages that are already on lru or queued in lru_pvecs.lru_add. Signed-off-by: Yu Zhao --- include/linux/swap.h | 1 + mm/swap.c | 28 +++++++++++++++------------- 2 files changed, 16 insertions(+), 13 deletions(-) diff --git a/include/linux/swap.h b/include/linux/swap.h index 4cc6ec3bf0ab..de2bbbf181ba 100644 --- a/include/linux/swap.h +++ b/include/linux/swap.h @@ -344,6 +344,7 @@ extern void lru_add_drain_cpu(int cpu); extern void lru_add_drain_cpu_zone(struct zone *zone); extern void lru_add_drain_all(void); extern void rotate_reclaimable_page(struct page *page); +extern void activate_page(struct page *page); extern void deactivate_file_page(struct page *page); extern void deactivate_page(struct page *page); extern void mark_page_lazyfree(struct page *page); diff --git a/mm/swap.c b/mm/swap.c index 31b844d4ed94..f20ed56ebbbf 100644 --- a/mm/swap.c +++ b/mm/swap.c @@ -334,7 +334,7 @@ static bool need_activate_page_drain(int cpu) return pagevec_count(&per_cpu(lru_pvecs.activate_page, cpu)) != 0; } -static void activate_page(struct page *page) +static void activate_page_on_lru(struct page *page) { page = compound_head(page); if (PageLRU(page) && !PageActive(page) && !PageUnevictable(page)) { @@ -354,7 +354,7 @@ static inline void activate_page_drain(int cpu) { } -static void activate_page(struct page *page) +static void activate_page_on_lru(struct page *page) { struct lruvec *lruvec; @@ -368,11 +368,22 @@ static void activate_page(struct page *page) } #endif -static void __lru_cache_activate_page(struct page *page) +/* + * If the page is on the LRU, queue it for activation via + * lru_pvecs.activate_page. Otherwise, assume the page is on a + * pagevec, mark it active and it'll be moved to the active + * LRU on the next drain. + */ +void activate_page(struct page *page) { struct pagevec *pvec; int i; + if (PageLRU(page)) { + activate_page_on_lru(page); + return; + } + local_lock(&lru_pvecs.lock); pvec = this_cpu_ptr(&lru_pvecs.lru_add); @@ -421,16 +432,7 @@ void mark_page_accessed(struct page *page) * evictable page accessed has no effect. */ } else if (!PageActive(page)) { - /* - * If the page is on the LRU, queue it for activation via - * lru_pvecs.activate_page. Otherwise, assume the page is on a - * pagevec, mark it active and it'll be moved to the active - * LRU on the next drain. - */ - if (PageLRU(page)) - activate_page(page); - else - __lru_cache_activate_page(page); + activate_page(page); ClearPageReferenced(page); workingset_activation(page); } -- 2.31.0.rc2.261.g7f71774620-goog