From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp153-163.sina.com.cn (smtp153-163.sina.com.cn [61.135.153.163]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B06F91D7E41 for ; Sun, 3 May 2026 04:21:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=61.135.153.163 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777782092; cv=none; b=BAybHft1uOC6cM8bXKZKTA/isWPM5QbVChUilnG/vcBwIrq6cwhbNy6BJJCGcOhY19ILQ7UPgKyerw7MmIPropJ8fWuHH090UxtH5ufZFilnEe0H8lKZvn2vbnIUkQeKKplBGoT0i0xvoonxBPGki4GwPwgMKKF6JdsvjukhGGQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777782092; c=relaxed/simple; bh=qNvREl8Ij5xPE2MyWVwz9U4pS+NDZVrXZrOvKV2dpl8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=mL0kTIlphEk6rn5g3wyRE12XIE1lVcBREcT7xAn1SPx6ojcEADCVbxEHJfGIQSxccdrHngWms/p0i1V/Olg7Mqmks2zv/ujNwCsXxiI3lBjfFk8xQN+leeWir1zC7kyve7Se9mTfvC5khuTuGy3Be2/4p0FHZfGG5WEBtyDymz0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=sina.com; spf=pass smtp.mailfrom=sina.com; dkim=pass (1024-bit key) header.d=sina.com header.i=@sina.com header.b=GoKjLoTG; arc=none smtp.client-ip=61.135.153.163 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=sina.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sina.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=sina.com header.i=@sina.com header.b="GoKjLoTG" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sina.com; s=201208; t=1777782086; bh=NqBpTn+bRUilCJGhIuKwvhpXbcBES7U3IIxz55lRz6M=; h=From:Subject:Date:Message-ID; b=GoKjLoTGviHpugGsIqDFaUeIMttFVI/WsUKPXFh3/ny/c2BLs4L755/REtVg8jIkQ qZGmgOqViASl2qHPBxLyh20IiXrK3lsaZiDrXP01Q3/ND0Sy/H4hHYsKRG/O5oa4bR t92DEByfN7gf4WIwmuhBa/Hxl78HLlAKLxFw46uc= X-SMAIL-HELO: localhost.localdomain Received: from unknown (HELO localhost.localdomain)([114.249.62.144]) by sina.com (10.54.253.32) with ESMTP id 69F6CD1400005414; Sun, 3 May 2026 12:20:37 +0800 (CST) X-Sender: hdanton@sina.com X-Auth-ID: hdanton@sina.com Authentication-Results: sina.com; spf=none smtp.mailfrom=hdanton@sina.com; dkim=none header.i=none; dmarc=none action=none header.from=hdanton@sina.com X-SMAIL-MID: 7364784456617 X-SMAIL-UIID: 3343487F9BA74A10AE68F0A8C7327C34-20260503-122037-1 From: Hillf Danton To: Vlastimil Babka Cc: Kairui Song , linux-mm@kvack.org, Matthew Wilcox , linux-kernel@vger.kernel.org Subject: Re: [LSF/MM/BPF TOPIC] Improving MGLRU Date: Sun, 3 May 2026 12:20:28 +0800 Message-ID: <20260503042030.279-1-hdanton@sina.com> In-Reply-To: <83c146d2-d52f-41f3-975d-ad607a6f741c@suse.com> References: <20260502085645.262-1-hdanton@sina.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit On Sat, 2 May 2026 13:53:20 +0200 Vlastimil Babka wrote: >On 5/2/26 10:56, Hillf Danton wrote: >> On Thu, 26 Feb 2026 15:54:22 +0000 Matthew Wilcox wrote: >>> On Fri, Feb 20, 2026 at 01:25:33AM +0800, Kairui Song wrote: >>> > MGLRU has been introduced in the mainline for years, but we still have two LRUs >>> > today. There are many reasons MGLRU is still not the only LRU implementation in >>> > the kernel. >>> >>> To my mind, the biggest problem with MGLRU is that Google dumped it on us >>> and ran away. Commit 44958000bada claimed that it was now maintained and >>> added three people as maintainers. In the six months since that commit, >>> none of those three people have any commits in mm/! This is a shameful >>> state of affairs. >>> >>> I say rip it out. >>> >> I suspect you are kidding again. Go and cut it off then we know how sharp >> you are. >> > I can't wait for the day when you finally decide to do that with your e-mail > "contributions". > Frankly I will get you disappointed because I do not have so much energy to do anything unusual like turning page to folio. That is too heavy a burdern on the right shoulder for a non native English speaker.