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 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C9119C531FA for ; Sun, 26 Jul 2026 01:30:07 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 6E4CB6B008A; Sat, 25 Jul 2026 21:30:02 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 647046B008C; Sat, 25 Jul 2026 21:30:02 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 583E66B0092; Sat, 25 Jul 2026 21:30:02 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0011.hostedemail.com [216.40.44.11]) by kanga.kvack.org (Postfix) with ESMTP id 2BBE96B008A for ; Sat, 25 Jul 2026 21:30:02 -0400 (EDT) Received: from smtpin02.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay05.hostedemail.com (Postfix) with ESMTP id 7CD7D40436 for ; Sun, 26 Jul 2026 01:30:01 +0000 (UTC) X-FDA: 85029196602.02.EAE271F Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by imf02.hostedemail.com (Postfix) with ESMTP id D708F80002 for ; Sun, 26 Jul 2026 01:29:59 +0000 (UTC) Authentication-Results: imf02.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20260515 header.b=ULsCowlT; spf=pass (imf02.hostedemail.com: domain of baohua@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=baohua@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1785029399; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=b3pRRG3K7S6YtKl2WqEHDfcoPnCFtKvVlvjr+gl6TKw=; b=eL8frT4m1FPpU7Vledl89yO93RVAaOjH66C7Fla6ojtZAiM3yqwlEeWmjeJ9X7c70nKlH2 8JOBV7NKRsHgr25BIh4y3PMMkm+dQhgH4b40AzaKfO9qI9CVVUd84Cnoa+8HOFHqrtvU38 URe5wLH685DXzrsoHw7Rlb/6OX2A7oI= ARC-Authentication-Results: i=1; imf02.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20260515 header.b=ULsCowlT; spf=pass (imf02.hostedemail.com: domain of baohua@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=baohua@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Seal: i=1; a=rsa-sha256; d=hostedemail.com; s=arc-20220608; cv=none; t=1785029399; b=C86pyfkbG2XF93Nfe1OojgUao5H6f5WtEuKYiBfCDvMzCPcvEQBw+TIpVHe5uxiyUK7+Tg BKW/gK9xppgeQlF6howUHFCUKRw6lzqApfA/GxZ/71rcGe88JyjkycMXFrhMeVDWCUi5DY JaCSl1hKh7+VfSGrXWO4gr1b1P1Q7YI= Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id 35DAE4056E; Sun, 26 Jul 2026 01:29:59 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 466CA1F000E9; Sun, 26 Jul 2026 01:29:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1785029399; bh=b3pRRG3K7S6YtKl2WqEHDfcoPnCFtKvVlvjr+gl6TKw=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=ULsCowlTGKT7KW+wQQRN4qtCy3SRG/u243dxUHDYOkuGLQWFS5qfFbgi8+WpKhFik xwsJZdIaH3TU+Ao2P4IjFh1lj/siNkyyR1BtCa4c/Aa13r4O7GWfNpmJpqA5acbL7Y kDsBPIl6GA+XkHMihvZndhnbyNgfGCCrK5hkpp44MbDYnXQ3bzDv/usGip0f+trycm GLMrhnXswQCbSrfLfvmKTlDYIaTp0jULhC1qAAny71UO7/L9PIRoSG3IxNzohfMKiD /VpxB7fYD0G9hEgb+roat96z+YDIvXjl5agg+KG9VTkLeCrXL0S4Q0EWoqyp+Fy6MP wZe/b0WBXHm1A== From: "Barry Song (Xiaomi)" To: akpm@linux-foundation.org, linux-mm@kvack.org Cc: hannes@cmpxchg.org, david@kernel.org, mhocko@kernel.org, qi.zheng@linux.dev, shakeel.butt@linux.dev, ljs@kernel.org, kasong@tencent.com, axelrasmussen@google.com, yuanchu@google.com, weixugc@google.com, linux-kernel@vger.kernel.org, lyugaofei@xiaomi.com, stevensd@chromium.org, "Barry Song (Xiaomi)" Subject: [RFC PATCH 2/4] mm: mglru: do try_to_inc_min_seq if scanned==0 Date: Sun, 26 Jul 2026 09:29:44 +0800 Message-Id: <20260726012946.18684-3-baohua@kernel.org> X-Mailer: git-send-email 2.39.3 (Apple Git-146) In-Reply-To: <20260726012946.18684-1-baohua@kernel.org> References: <20260726012946.18684-1-baohua@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Queue-Id: D708F80002 X-Rspamd-Server: rspam01 X-Stat-Signature: k9ch5ft76qdnkafr9npg5fy9ctpcga4t X-HE-Tag: 1785029399-209909 X-HE-Meta: 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 my7onUXx gLxBFGltkHEafeskNBLRv4n3ObTUmEL4hhE8l9iuQMTGN3/oSoLvrVH1SMMJx8cWMI5oUcKqWv0XhtGOimPilYmVkyFJH3MQ8BPgt9h8pZiHQ3hTwh4AZiDw4PW3B09xDmTIDujmlGZ61QxE5QgljwqLeEeYuycYFfzWUCAlvimLyoffz+TzPzGWplCL4oQOmps+E0ixMOwfOOa38UHjGi7pygHHYaYVNy5i2DT+KbJhc7JbslP8qkRZX5mn0aOScRutirE0iEVbOCgZqgo+ctRiBfV1Zkwgp9DZ6 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: If scanned == 0, we are likely running out of folios in the reclaimable gens. Advance min_seq to keep it in sync with the current reclaimable state. Signed-off-by: Barry Song (Xiaomi) --- mm/vmscan.c | 1 + 1 file changed, 1 insertion(+) diff --git a/mm/vmscan.c b/mm/vmscan.c index f79402760776..4f3a375de86e 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -4858,6 +4858,7 @@ static int isolate_folios(unsigned long nr_to_scan, struct lruvec *lruvec, * Only fall back when reclaim is running at high priority. */ if (!scanned) { + try_to_inc_min_seq(lruvec, swappiness); if (!sc->priority) type = !type; } -- 2.39.3 (Apple Git-146)