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=-15.8 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_RED 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 91D69C11F6A for ; Thu, 1 Jul 2021 01:51:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 76E4F61241 for ; Thu, 1 Jul 2021 01:51:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238478AbhGAByR (ORCPT ); Wed, 30 Jun 2021 21:54:17 -0400 Received: from mail.kernel.org ([198.145.29.99]:43762 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238427AbhGAByQ (ORCPT ); Wed, 30 Jun 2021 21:54:16 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id BCF0C6146D; Thu, 1 Jul 2021 01:51:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1625104306; bh=/6mnSpYzINtTUTiv5Z/54zQUx/epEwshhh6aQvPtpas=; h=Date:From:To:Subject:In-Reply-To:From; b=LAQ04JoGVc8qP0vDgViTGXL8TZF2NhNSfaSlce7MZ2e3vWh60tU7kh+Nj3UNu998c FynBRC3c9dlVaToXRd0T92Lsu7jckW/rmV5kClwXXqG06wy39fP56U3yZD/aim+B9H q6A5Xgri4Q+kler4QrAMQpXI3gI7xgIZFOXqpy2g= Date: Wed, 30 Jun 2021 18:51:45 -0700 From: Andrew Morton To: akpm@linux-foundation.org, borntraeger@de.ibm.com, gerald.schaefer@linux.ibm.com, gor@linux.ibm.com, hca@linux.ibm.com, hughd@google.com, kirill.shutemov@linux.intel.com, linux-mm@kvack.org, mgorman@suse.de, mhocko@suse.com, mm-commits@vger.kernel.org, shy828301@gmail.com, torvalds@linux-foundation.org, ying.huang@intel.com, ziy@nvidia.com Subject: [patch 086/192] mm: migrate: account THP NUMA migration counters correctly Message-ID: <20210701015145.SwXVL5Q0x%akpm@linux-foundation.org> In-Reply-To: <20210630184624.9ca1937310b0dd5ce66b30e7@linux-foundation.org> User-Agent: s-nail v14.8.16 Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org From: Yang Shi Subject: mm: migrate: account THP NUMA migration counters correctly Now both base page and THP NUMA migration is done via migrate_misplaced_page(), keep the counters correctly for THP. Link: https://lkml.kernel.org/r/20210518200801.7413-5-shy828301@gmail.com Signed-off-by: Yang Shi Acked-by: Mel Gorman Cc: Christian Borntraeger Cc: Gerald Schaefer Cc: Heiko Carstens Cc: Huang Ying Cc: Hugh Dickins Cc: Kirill A. Shutemov Cc: Michal Hocko Cc: Vasily Gorbik Cc: Zi Yan Signed-off-by: Andrew Morton --- mm/migrate.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) --- a/mm/migrate.c~mm-migrate-account-thp-numa-migration-counters-correctly +++ a/mm/migrate.c @@ -2117,6 +2117,7 @@ int migrate_misplaced_page(struct page * LIST_HEAD(migratepages); new_page_t *new; bool compound; + unsigned int nr_pages = thp_nr_pages(page); /* * PTE mapped THP or HugeTLB page can't reach here so the page could @@ -2155,13 +2156,13 @@ int migrate_misplaced_page(struct page * if (nr_remaining) { if (!list_empty(&migratepages)) { list_del(&page->lru); - dec_node_page_state(page, NR_ISOLATED_ANON + - page_is_file_lru(page)); + mod_node_page_state(page_pgdat(page), NR_ISOLATED_ANON + + page_is_file_lru(page), -nr_pages); putback_lru_page(page); } isolated = 0; } else - count_vm_numa_event(NUMA_PAGE_MIGRATE); + count_vm_numa_events(NUMA_PAGE_MIGRATE, nr_pages); BUG_ON(!list_empty(&migratepages)); return isolated; _