From patchwork Fri Jun 19 08:33:47 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alex Shi X-Patchwork-Id: 11613481 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 3544192A for ; Fri, 19 Jun 2020 08:34:37 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id F32B620776 for ; Fri, 19 Jun 2020 08:34:36 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org F32B620776 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.alibaba.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 5D37D8D0083; Fri, 19 Jun 2020 04:34:31 -0400 (EDT) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id 534818D007F; Fri, 19 Jun 2020 04:34:31 -0400 (EDT) X-Original-To: int-list-linux-mm@kvack.org X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 3D4228D0083; Fri, 19 Jun 2020 04:34:31 -0400 (EDT) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0032.hostedemail.com [216.40.44.32]) by kanga.kvack.org (Postfix) with ESMTP id 247978D007F for ; Fri, 19 Jun 2020 04:34:31 -0400 (EDT) Received: from smtpin11.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id E08C3181AC9B6 for ; Fri, 19 Jun 2020 08:34:30 +0000 (UTC) X-FDA: 76945299900.11.low91_300b3f026e17 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin11.hostedemail.com (Postfix) with ESMTP id BCC30180301CA for ; Fri, 19 Jun 2020 08:34:30 +0000 (UTC) X-Spam-Summary: 2,0,0,f5b03105c281ac19,d41d8cd98f00b204,alex.shi@linux.alibaba.com,,RULES_HIT:2:41:69:355:379:541:800:960:966:973:988:989:1260:1261:1345:1359:1381:1431:1437:1535:1605:1730:1747:1777:1792:2196:2199:2393:2553:2559:2562:2904:3138:3139:3140:3141:3142:3865:3866:3867:3868:3870:3871:3872:4050:4120:4250:4321:4385:4605:5007:6261:6737:7901:7903:8660:8957:9010:9592:10004:11026:11473:11658:11914:12043:12048:12114:12257:12291:12296:12297:12438:12555:12683:12895:12986:13148:13230:13846:14096:14394:14915:21060:21063:21080:21451:21611:21627:21939:21966:21987:30054:30090,0,RBL:115.124.30.132:@linux.alibaba.com:.lbl8.mailshell.net-64.201.201.201 62.20.2.100,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:fp,MSBL:0,DNSBL:none,Custom_rules:0:0:0,LFtime:1,LUA_SUMMARY:none X-HE-Tag: low91_300b3f026e17 X-Filterd-Recvd-Size: 9270 Received: from out30-132.freemail.mail.aliyun.com (out30-132.freemail.mail.aliyun.com [115.124.30.132]) by imf07.hostedemail.com (Postfix) with ESMTP for ; Fri, 19 Jun 2020 08:34:28 +0000 (UTC) X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R881e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e01355;MF=alex.shi@linux.alibaba.com;NM=1;PH=DS;RN=16;SR=0;TI=SMTPD_---0U01BjYa_1592555662; Received: from localhost(mailfrom:alex.shi@linux.alibaba.com fp:SMTPD_---0U01BjYa_1592555662) by smtp.aliyun-inc.com(127.0.0.1); Fri, 19 Jun 2020 16:34:22 +0800 From: Alex Shi To: akpm@linux-foundation.org, mgorman@techsingularity.net, tj@kernel.org, hughd@google.com, khlebnikov@yandex-team.ru, daniel.m.jordan@oracle.com, yang.shi@linux.alibaba.com, willy@infradead.org, hannes@cmpxchg.org, lkp@intel.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, cgroups@vger.kernel.org, shakeelb@google.com, iamjoonsoo.kim@lge.com, richard.weiyang@gmail.com Subject: [PATCH v13 09/18] mm/swap: fold vm event PGROTATED into pagevec_move_tail_fn Date: Fri, 19 Jun 2020 16:33:47 +0800 Message-Id: <1592555636-115095-10-git-send-email-alex.shi@linux.alibaba.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1592555636-115095-1-git-send-email-alex.shi@linux.alibaba.com> References: <1592555636-115095-1-git-send-email-alex.shi@linux.alibaba.com> X-Rspamd-Queue-Id: BCC30180301CA X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam05 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: Fold the PGROTATED event collection into pagevec_move_tail_fn call back func like other funcs does in pagevec_lru_move_fn. Now all usage of pagevec_lru_move_fn are same and no needs of the 3rd parameter. It's simply the calling. Signed-off-by: Alex Shi Cc: Andrew Morton Cc: linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org --- mm/swap.c | 64 +++++++++++++++++++++++---------------------------------------- 1 file changed, 23 insertions(+), 41 deletions(-) diff --git a/mm/swap.c b/mm/swap.c index 03a5cad29d03..e2a9f58a2826 100644 --- a/mm/swap.c +++ b/mm/swap.c @@ -204,8 +204,7 @@ int get_kernel_page(unsigned long start, int write, struct page **pages) EXPORT_SYMBOL_GPL(get_kernel_page); static void pagevec_lru_move_fn(struct pagevec *pvec, - void (*move_fn)(struct page *page, struct lruvec *lruvec, void *arg), - void *arg) + void (*move_fn)(struct page *page, struct lruvec *lruvec)) { int i; struct pglist_data *pgdat = NULL; @@ -224,7 +223,7 @@ static void pagevec_lru_move_fn(struct pagevec *pvec, } lruvec = mem_cgroup_page_lruvec(page, pgdat); - (*move_fn)(page, lruvec, arg); + (*move_fn)(page, lruvec); } if (pgdat) spin_unlock_irqrestore(&pgdat->lru_lock, flags); @@ -232,35 +231,23 @@ static void pagevec_lru_move_fn(struct pagevec *pvec, pagevec_reinit(pvec); } -static void pagevec_move_tail_fn(struct page *page, struct lruvec *lruvec, - void *arg) +static void pagevec_move_tail_fn(struct page *page, struct lruvec *lruvec) { - int *pgmoved = arg; - if (PageLRU(page) && !PageUnevictable(page)) { del_page_from_lru_list(page, lruvec, page_lru(page)); ClearPageActive(page); add_page_to_lru_list_tail(page, lruvec, page_lru(page)); - (*pgmoved) += hpage_nr_pages(page); + __count_vm_events(PGROTATED, hpage_nr_pages(page)); } } /* - * pagevec_move_tail() must be called with IRQ disabled. - * Otherwise this may cause nasty races. - */ -static void pagevec_move_tail(struct pagevec *pvec) -{ - int pgmoved = 0; - - pagevec_lru_move_fn(pvec, pagevec_move_tail_fn, &pgmoved); - __count_vm_events(PGROTATED, pgmoved); -} - -/* * Writeback is about to end against a page which has been marked for immediate * reclaim. If it still appears to be reclaimable, move it to the tail of the * inactive list. + * + * pagevec_move_tail_fn() must be called with IRQ disabled. + * Otherwise this may cause nasty races. */ void rotate_reclaimable_page(struct page *page) { @@ -273,7 +260,7 @@ void rotate_reclaimable_page(struct page *page) local_lock_irqsave(&lru_rotate.lock, flags); pvec = this_cpu_ptr(&lru_rotate.pvec); if (!pagevec_add(pvec, page) || PageCompound(page)) - pagevec_move_tail(pvec); + pagevec_lru_move_fn(pvec, pagevec_move_tail_fn); local_unlock_irqrestore(&lru_rotate.lock, flags); } } @@ -315,8 +302,7 @@ void lru_note_cost_page(struct page *page) page_is_file_lru(page), hpage_nr_pages(page)); } -static void __activate_page(struct page *page, struct lruvec *lruvec, - void *arg) +static void __activate_page(struct page *page, struct lruvec *lruvec) { if (PageLRU(page) && !PageActive(page) && !PageUnevictable(page)) { int lru = page_lru_base_type(page); @@ -340,7 +326,7 @@ static void activate_page_drain(int cpu) struct pagevec *pvec = &per_cpu(lru_pvecs.activate_page, cpu); if (pagevec_count(pvec)) - pagevec_lru_move_fn(pvec, __activate_page, NULL); + pagevec_lru_move_fn(pvec, __activate_page); } static bool need_activate_page_drain(int cpu) @@ -358,7 +344,7 @@ void activate_page(struct page *page) pvec = this_cpu_ptr(&lru_pvecs.activate_page); get_page(page); if (!pagevec_add(pvec, page) || PageCompound(page)) - pagevec_lru_move_fn(pvec, __activate_page, NULL); + pagevec_lru_move_fn(pvec, __activate_page); local_unlock(&lru_pvecs.lock); } } @@ -527,8 +513,7 @@ void lru_cache_add_active_or_unevictable(struct page *page, * be write it out by flusher threads as this is much more effective * than the single-page writeout from reclaim. */ -static void lru_deactivate_file_fn(struct page *page, struct lruvec *lruvec, - void *arg) +static void lru_deactivate_file_fn(struct page *page, struct lruvec *lruvec) { int lru; bool active; @@ -575,8 +560,7 @@ static void lru_deactivate_file_fn(struct page *page, struct lruvec *lruvec, } } -static void lru_deactivate_fn(struct page *page, struct lruvec *lruvec, - void *arg) +static void lru_deactivate_fn(struct page *page, struct lruvec *lruvec) { if (PageLRU(page) && PageActive(page) && !PageUnevictable(page)) { int lru = page_lru_base_type(page); @@ -593,8 +577,7 @@ static void lru_deactivate_fn(struct page *page, struct lruvec *lruvec, } } -static void lru_lazyfree_fn(struct page *page, struct lruvec *lruvec, - void *arg) +static void lru_lazyfree_fn(struct page *page, struct lruvec *lruvec) { if (PageLRU(page) && PageAnon(page) && PageSwapBacked(page) && !PageSwapCache(page) && !PageUnevictable(page)) { @@ -638,21 +621,21 @@ void lru_add_drain_cpu(int cpu) /* No harm done if a racing interrupt already did this */ local_lock_irqsave(&lru_rotate.lock, flags); - pagevec_move_tail(pvec); + pagevec_lru_move_fn(pvec, pagevec_move_tail_fn); local_unlock_irqrestore(&lru_rotate.lock, flags); } pvec = &per_cpu(lru_pvecs.lru_deactivate_file, cpu); if (pagevec_count(pvec)) - pagevec_lru_move_fn(pvec, lru_deactivate_file_fn, NULL); + pagevec_lru_move_fn(pvec, lru_deactivate_file_fn); pvec = &per_cpu(lru_pvecs.lru_deactivate, cpu); if (pagevec_count(pvec)) - pagevec_lru_move_fn(pvec, lru_deactivate_fn, NULL); + pagevec_lru_move_fn(pvec, lru_deactivate_fn); pvec = &per_cpu(lru_pvecs.lru_lazyfree, cpu); if (pagevec_count(pvec)) - pagevec_lru_move_fn(pvec, lru_lazyfree_fn, NULL); + pagevec_lru_move_fn(pvec, lru_lazyfree_fn); activate_page_drain(cpu); } @@ -681,7 +664,7 @@ void deactivate_file_page(struct page *page) pvec = this_cpu_ptr(&lru_pvecs.lru_deactivate_file); if (!pagevec_add(pvec, page) || PageCompound(page)) - pagevec_lru_move_fn(pvec, lru_deactivate_file_fn, NULL); + pagevec_lru_move_fn(pvec, lru_deactivate_file_fn); local_unlock(&lru_pvecs.lock); } } @@ -703,7 +686,7 @@ void deactivate_page(struct page *page) pvec = this_cpu_ptr(&lru_pvecs.lru_deactivate); get_page(page); if (!pagevec_add(pvec, page) || PageCompound(page)) - pagevec_lru_move_fn(pvec, lru_deactivate_fn, NULL); + pagevec_lru_move_fn(pvec, lru_deactivate_fn); local_unlock(&lru_pvecs.lock); } } @@ -725,7 +708,7 @@ void mark_page_lazyfree(struct page *page) pvec = this_cpu_ptr(&lru_pvecs.lru_lazyfree); get_page(page); if (!pagevec_add(pvec, page) || PageCompound(page)) - pagevec_lru_move_fn(pvec, lru_lazyfree_fn, NULL); + pagevec_lru_move_fn(pvec, lru_lazyfree_fn); local_unlock(&lru_pvecs.lock); } } @@ -935,8 +918,7 @@ void __pagevec_release(struct pagevec *pvec) } EXPORT_SYMBOL(__pagevec_release); -static void __pagevec_lru_add_fn(struct page *page, struct lruvec *lruvec, - void *arg) +static void __pagevec_lru_add_fn(struct page *page, struct lruvec *lruvec) { enum lru_list lru; int was_unevictable = TestClearPageUnevictable(page); @@ -995,7 +977,7 @@ static void __pagevec_lru_add_fn(struct page *page, struct lruvec *lruvec, */ void __pagevec_lru_add(struct pagevec *pvec) { - pagevec_lru_move_fn(pvec, __pagevec_lru_add_fn, NULL); + pagevec_lru_move_fn(pvec, __pagevec_lru_add_fn); } /**