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Tue, 16 Jun 2020 22:26:58 -0700 (PDT) From: js1304@gmail.com X-Google-Original-From: iamjoonsoo.kim@lge.com To: Andrew Morton Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Johannes Weiner , Michal Hocko , Hugh Dickins , Minchan Kim , Vlastimil Babka , Mel Gorman , kernel-team@lge.com, Joonsoo Kim Subject: [PATCH v6 6/6] mm/vmscan: restore active/inactive ratio for anonymous LRU Date: Wed, 17 Jun 2020 14:26:23 +0900 Message-Id: <1592371583-30672-7-git-send-email-iamjoonsoo.kim@lge.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1592371583-30672-1-git-send-email-iamjoonsoo.kim@lge.com> References: <1592371583-30672-1-git-send-email-iamjoonsoo.kim@lge.com> X-Rspamd-Queue-Id: DC97B180C07A3 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam01 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: From: Joonsoo Kim Now, workingset detection is implemented for anonymous LRU. We don't have to worry about the misfound for workingset due to the ratio of active/inactive. Let's restore the ratio. Acked-by: Johannes Weiner Signed-off-by: Joonsoo Kim --- mm/vmscan.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/vmscan.c b/mm/vmscan.c index eb02d18..ec77691 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -2211,7 +2211,7 @@ static bool inactive_is_low(struct lruvec *lruvec, enum lru_list inactive_lru) active = lruvec_page_state(lruvec, NR_LRU_BASE + active_lru); gb = (inactive + active) >> (30 - PAGE_SHIFT); - if (gb && is_file_lru(inactive_lru)) + if (gb) inactive_ratio = int_sqrt(10 * gb); else inactive_ratio = 1; -- 2.7.4