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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no 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 116E6C4741C for ; Sat, 15 Feb 2020 16:59:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E831D24670 for ; Sat, 15 Feb 2020 16:59:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726389AbgBOQ7Y (ORCPT ); Sat, 15 Feb 2020 11:59:24 -0500 Received: from mout.kundenserver.de ([212.227.126.133]:37753 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726143AbgBOQ7Y (ORCPT ); Sat, 15 Feb 2020 11:59:24 -0500 Received: from mail-qt1-f169.google.com ([209.85.160.169]) by mrelayeu.kundenserver.de (mreue011 [212.227.15.129]) with ESMTPSA (Nemesis) id 1MirX2-1jhrut2cnk-00erXF; Sat, 15 Feb 2020 17:59:19 +0100 Received: by mail-qt1-f169.google.com with SMTP id r5so9165819qtt.9; Sat, 15 Feb 2020 08:59:19 -0800 (PST) X-Gm-Message-State: APjAAAUU7V/VEjh08tJsUgR9jtV806ehyTj0lohYm7hcYVBEQD2aiLeL DvdQZNNCger7oMDwEZay9s1jhh270/NuDvriPRQ= X-Google-Smtp-Source: APXvYqyjkaMRW1i6+nG6Xmmiwkn07p7cDmjHpBuvGvwJKBe8csT7ZhEBB5nRrhRTCOtne+pNbnl2kdB0/zhmsFwcHpI= X-Received: by 2002:ac8:1977:: with SMTP id g52mr6981067qtk.18.1581785958432; Sat, 15 Feb 2020 08:59:18 -0800 (PST) MIME-Version: 1.0 References: <20200211175507.178100-1-hannes@cmpxchg.org> <29b6e848ff4ad69b55201751c9880921266ec7f4.camel@surriel.com> <20200211193101.GA178975@cmpxchg.org> <20200211154438.14ef129db412574c5576facf@linux-foundation.org> <20200211164701.4ac88d9222e23d1e8cc57c51@linux-foundation.org> <20200212085004.GL25745@shell.armlinux.org.uk> In-Reply-To: From: Arnd Bergmann Date: Sat, 15 Feb 2020 17:59:02 +0100 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH] vfs: keep inodes with page cache off the inode shrinker LRU To: Geert Uytterhoeven Cc: Russell King - ARM Linux admin , Linus Torvalds , Michal Hocko , Rik van Riel , Catalin Marinas , kernel-team@fb.com, Dave Chinner , Linux Kernel Mailing List , Linux-MM , Yafang Shao , Al Viro , Johannes Weiner , linux-fsdevel , Andrew Morton , Roman Gushchin , Linux ARM , Kishon Vijay Abraham I , Santosh Shilimkar , Chris Paterson , cip-dev@lists.cip-project.org Content-Type: text/plain; charset="UTF-8" X-Provags-ID: V03:K1:wnLkh62oA9Yjc9Ym349XbhSeygty7EwrKi7YllCXkP9M5H6i9wg F5Uua1nv3gvu0s2M9m2kK5vM6fYhZiwVW+nGqpySnfj4nBQscb4zTh3JPWdkL8QKFX/0Sta JLWwOwv+o/rDSB3AvfipOidUwmF9Ucpr6BgG6DSObtUt20mF2C0vwH/y4zeS14Hb93ZHNeZ eS93xr6yTncDZaD7uwr1w== X-UI-Out-Filterresults: notjunk:1;V03:K0:VHHCUnWwrnY=:eLDhdH48i9tz/1z7XjpRgv MJOz4odIDmTcTmYRYm5+EbzH6QJfTS7m0LJzkQt2ovwHy+FGOuqzr06qmEG6p5hvKN7f93ZY0 f+kgqbdE37+Ru5WWssnThfH0qVYZvt4JEeNe960VxVZx4B2F4PvwMPzwJC7vVZ58IfqwnO1ZO RZgESkc5//k0yBFYkrvodcMLNQRsn2QyAYVPCRldX+T4zcxjrppBAibFj/krZdtaszvW1Jjpp uV1kWMfVHjnN9p0+uVKabu9KYf/xOFETX1L51/5d/z5HS0mSmDcVuTw7o7iqhYrYa+D83/u9D YhQvkJUkbtEyp5ytH1fCGZKcOCPFjN4ZiUttgmXQjPuqT6ARTsEKAFYN31bsqOoBua6RmFYWV yQvW3ems0wEObdVeTJqBMw8D+hJJuNgRYNwom+bcHVz3gbfcUXhMmRUIDfWqyNQP2X4z16Gx0 4m6KuBlk2TPB0aSaEWOeq9gk1e6XjKlRVk3X/r+QkD/8NJHyEiQ/RIjGtCwlOKk5DEXY0CGvu jEk3V5h7FJJN7IeJ4cHRts3ehgiPYAmO/y3L+v3Q2nkRqa/DlnPr70ZNR35OgxcqsumbIF7nm nEUVn6H5cZYeT/uJ6tit3r37SjQWAatcKgpAKBf+WQ3TOcOiAiqGwf+Y3bCYZy2CG033R3cKO Dsl7ct/OhNCrkUN2K5hztoLFQpZYBX5+KUhIPPVwDYGuxQlH2bl8UjzA0ZVOd60k5WEsSmzFX zvPQ9+KaKdgGVq2dCEYfdMhkXPHnX43MCOo7llYtjTl6FzVpBvv47ziqtNofENZ32a+TA0Kzh kZm3asfEpHL+EcKD+ejbNwiHIRwXknR/EMZZGhe69OkEMREP+w= Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Feb 15, 2020 at 12:25 PM Geert Uytterhoeven wrote: > On Thu, Feb 13, 2020 at 5:54 PM Arnd Bergmann wrote: > > On Wed, Feb 12, 2020 at 9:50 AM Russell King - ARM Linux admin > > wrote: > > The CIP-supported RZ/G1 SoCs can have up to 4 GiB, typically split (even > for 1 GiB or 2 GiB configurations) in two parts, one below and one above > the 32-bit physical limit. Good to know. I think there are several other chips that have dual-channel DDR3 and thus /can/ support this configuration, but this rarely happens. Are you aware of commercial products that use a 4GB configuration, aside from the reference board? For TI AM54x, there is apparently a variant of the Dragonbox Pyro with 4G, which is said to be shipping in the near future, see https://en.wikipedia.org/wiki/DragonBox_Pyra Arnd 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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no 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 EC369C7114D for ; Sat, 15 Feb 2020 16:59:24 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 9A61B2083B for ; Sat, 15 Feb 2020 16:59:24 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9A61B2083B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arndb.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id E42E16B0005; Sat, 15 Feb 2020 11:59:23 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id DF2BF6B0006; Sat, 15 Feb 2020 11:59:23 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id CBAAC6B0007; Sat, 15 Feb 2020 11:59:23 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0066.hostedemail.com [216.40.44.66]) by kanga.kvack.org (Postfix) with ESMTP id B1C4F6B0005 for ; Sat, 15 Feb 2020 11:59:23 -0500 (EST) Received: from smtpin09.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id 5FDB68248047 for ; Sat, 15 Feb 2020 16:59:23 +0000 (UTC) X-FDA: 76492972206.09.hole40_8c0f46f037a09 X-HE-Tag: hole40_8c0f46f037a09 X-Filterd-Recvd-Size: 5023 Received: from mout.kundenserver.de (mout.kundenserver.de [212.227.126.133]) by imf31.hostedemail.com (Postfix) with ESMTP for ; Sat, 15 Feb 2020 16:59:22 +0000 (UTC) Received: from mail-qt1-f171.google.com ([209.85.160.171]) by mrelayeu.kundenserver.de (mreue011 [212.227.15.129]) with ESMTPSA (Nemesis) id 1N2Dks-1jT2iH3OqE-013gi6 for ; Sat, 15 Feb 2020 17:59:20 +0100 Received: by mail-qt1-f171.google.com with SMTP id l21so9165405qtr.8 for ; Sat, 15 Feb 2020 08:59:19 -0800 (PST) X-Gm-Message-State: APjAAAW+/knISO9FpvM1CekNHncC8cYZDkXKIdEA4hZa4dPLUkMkfzp2 SNmBuaRfefXEszBoiGVNePkaNai7gxEhWEB+dGo= X-Google-Smtp-Source: APXvYqyjkaMRW1i6+nG6Xmmiwkn07p7cDmjHpBuvGvwJKBe8csT7ZhEBB5nRrhRTCOtne+pNbnl2kdB0/zhmsFwcHpI= X-Received: by 2002:ac8:1977:: with SMTP id g52mr6981067qtk.18.1581785958432; Sat, 15 Feb 2020 08:59:18 -0800 (PST) MIME-Version: 1.0 References: <20200211175507.178100-1-hannes@cmpxchg.org> <29b6e848ff4ad69b55201751c9880921266ec7f4.camel@surriel.com> <20200211193101.GA178975@cmpxchg.org> <20200211154438.14ef129db412574c5576facf@linux-foundation.org> <20200211164701.4ac88d9222e23d1e8cc57c51@linux-foundation.org> <20200212085004.GL25745@shell.armlinux.org.uk> In-Reply-To: From: Arnd Bergmann Date: Sat, 15 Feb 2020 17:59:02 +0100 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH] vfs: keep inodes with page cache off the inode shrinker LRU To: Geert Uytterhoeven Cc: Russell King - ARM Linux admin , Linus Torvalds , Michal Hocko , Rik van Riel , Catalin Marinas , kernel-team@fb.com, Dave Chinner , Linux Kernel Mailing List , Linux-MM , Yafang Shao , Al Viro , Johannes Weiner , linux-fsdevel , Andrew Morton , Roman Gushchin , Linux ARM , Kishon Vijay Abraham I , Santosh Shilimkar , Chris Paterson , cip-dev@lists.cip-project.org Content-Type: text/plain; charset="UTF-8" X-Provags-ID: V03:K1:F8cY3ZcCfrHxC36S+o2oErlsrFQuw8JWOAsJq24UZ+20JsnFo5k anJ+jYP9TelDDXuhq41M8+V96R/1jjMoma2hr+p/WiZ1PFpiR7JiOZQblk0iUiPuuYRrs8+ qfWHI18cdiVmIYqvcbPJzcvV5uLRLzWUC/YfRrfVqftOWa2srAG3dixpuO9bmml1eFRUL+M 1OBbVwWKZ/HH6pyqeioiw== X-UI-Out-Filterresults: notjunk:1;V03:K0:WmgnETQJIOc=:YGOUdhT5yZ4Gh3W+bgoPy/ Y+Y9OLmY9oTVqSRYB0c5+/UnCo6XA679DsQiNFPWkH03iMX3eqg9j4tYKb3DpgwM505LhM7bF WiIanpPWMvDJjyU8hDPyoVdYJ7oAle37E45O6/5cI2FlQC/y/OU5mewCzgC5+o4tNE/ahzB8M ucxwUnG2LDBDMim5eAKwDzPyZT6DgP8GRoEx+4rra0Urbt5oA0EFLrWCBufI97w9N0gaNg7CK GlCcUKFrICihJvRyIaJMPzWGVepgRLsYXsNiejhmH/MNIJZmG1NYiz3K0Afw+Ou69kqXyRmLY 74/ZJtLVLF6bbC6JAOaeoCFfq72936XoHLaHskeTkp29X05c2RAX4ocBBQwVuh4K8DKzL2wYA oY1Hb2xuMRQa+xIjeYmzBZVvSOctYZiBooxAaAycu2UF+otvOgLn1Bba1p+wGP9bDUeR1iXmD YT6xtzT5yV4T5ngPI3oDAPeGUBPhQKZgSRqv4Nd1G3mKU0ga/zzl9+L8zKCi7/QFdeZhyCLGr h9+b18vKsyBuJYqKJs2nChV6rgUNCCaqFHYemjk0/Ovu9EgbfduH0fOHGM8s0I0LzXsVa5MDS aA9/k4AadMNZL8vsKR0t/+5OIVVsa3xtl8ulPJ4vyauTres22MclzmGpL/5RQINSd/vbQDslI ag+mm7Vpq/ZBSGepDTVw0bb71E8QWu2cpi00y8Ej/m3TDytAfWEKf5g9VWhuOxV0SOR5Sgjbj GeyP25r6aOfOcthvZpaq/q+CMpLrQHqgJJnojda/JLKV06c0BqeucZX7bmZ29nQfIMDM/kBCz YXykjApKDdsw2xMfRnxUdCDQW980HB8RJtKsJJkdEsDgyyzWzE= 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: On Sat, Feb 15, 2020 at 12:25 PM Geert Uytterhoeven wrote: > On Thu, Feb 13, 2020 at 5:54 PM Arnd Bergmann wrote: > > On Wed, Feb 12, 2020 at 9:50 AM Russell King - ARM Linux admin > > wrote: > > The CIP-supported RZ/G1 SoCs can have up to 4 GiB, typically split (even > for 1 GiB or 2 GiB configurations) in two parts, one below and one above > the 32-bit physical limit. Good to know. I think there are several other chips that have dual-channel DDR3 and thus /can/ support this configuration, but this rarely happens. Are you aware of commercial products that use a 4GB configuration, aside from the reference board? For TI AM54x, there is apparently a variant of the Dragonbox Pyro with 4G, which is said to be shipping in the near future, see https://en.wikipedia.org/wiki/DragonBox_Pyra Arnd 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=-0.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED autolearn=no 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 18758C2BA83 for ; Sat, 15 Feb 2020 16:59:45 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id B54202083B for ; Sat, 15 Feb 2020 16:59:44 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="C/iGlxWc" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B54202083B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arndb.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:To:Subject:Message-ID:Date:From: In-Reply-To:References:MIME-Version:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=+UiNVM9uBkPXm3k4f/Q24R3QPvRw1WlB4HtkOckGRQU=; b=C/iGlxWcPnueKx XUZL7oipz8EwagaLIcEXoaaqz6TnSqXqKGncPjBPwcpFaJrq3/5ul4jR4jOO1sxGTvR7eDZkp5hrP lWvfVLxGGVUoeSG47YfXrKg4iovZKRpcgJTTYFEsOow2ALXlUqaMkp3n15HDsGvvdnyHq6Sx4Jijg QEdKVR/uEBkA8GICFWDFTBWArcMsi8EfpvaqaBV6SfEq8OEAExoIxAytBu3tgSG5244UGNIrTPJdg e0IYXrJUw04yROfKyoXePpsf1Kku6k4zkFCOk0+BHPjCeRHmt+iol2Fj2UkbNAw5rrvfFfVCNgCrX AYBZ2j5vV/GjEq2OrN7w==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1j30my-0001C4-4L; Sat, 15 Feb 2020 16:59:32 +0000 Received: from mout.kundenserver.de ([212.227.17.13]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1j30mu-0001Ak-Or for linux-arm-kernel@lists.infradead.org; Sat, 15 Feb 2020 16:59:30 +0000 Received: from mail-qt1-f170.google.com ([209.85.160.170]) by mrelayeu.kundenserver.de (mreue107 [212.227.15.145]) with ESMTPSA (Nemesis) id 1M5gAG-1j5mkH3J3i-007G7D for ; Sat, 15 Feb 2020 17:59:20 +0100 Received: by mail-qt1-f170.google.com with SMTP id f3so9109048qtc.5 for ; Sat, 15 Feb 2020 08:59:19 -0800 (PST) X-Gm-Message-State: APjAAAVtQ4Y3ODKZNh2My3i3UmBRHzldALs8IQEHpTdD7Vq8Dlh2lwUN 4ZWcr7hX5Rwx8WS1AAcnCEkxENI9eU6K7jYEl+g= X-Google-Smtp-Source: APXvYqyjkaMRW1i6+nG6Xmmiwkn07p7cDmjHpBuvGvwJKBe8csT7ZhEBB5nRrhRTCOtne+pNbnl2kdB0/zhmsFwcHpI= X-Received: by 2002:ac8:1977:: with SMTP id g52mr6981067qtk.18.1581785958432; Sat, 15 Feb 2020 08:59:18 -0800 (PST) MIME-Version: 1.0 References: <20200211175507.178100-1-hannes@cmpxchg.org> <29b6e848ff4ad69b55201751c9880921266ec7f4.camel@surriel.com> <20200211193101.GA178975@cmpxchg.org> <20200211154438.14ef129db412574c5576facf@linux-foundation.org> <20200211164701.4ac88d9222e23d1e8cc57c51@linux-foundation.org> <20200212085004.GL25745@shell.armlinux.org.uk> In-Reply-To: From: Arnd Bergmann Date: Sat, 15 Feb 2020 17:59:02 +0100 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH] vfs: keep inodes with page cache off the inode shrinker LRU To: Geert Uytterhoeven X-Provags-ID: V03:K1:cEwCpNb7whpATEPJvjIEMwXtdSxap1MI5EPx/Synw2GQVY+rGcw eKnDUOFg0EX3g63WMkci/uqWNwyQVt8d7/TJccSRl/r5dw0X6cEQPmgNA8LpyCAPn8G/JvW /rjfxthNZ3EX7cIRtCi3ilFc0MKaQ5c+AQ1mtjD3TzPxSOdef+Tnmt3slmqfK4/tHtSABWB RHN1DOOt8n+uP2vURajmw== X-UI-Out-Filterresults: notjunk:1;V03:K0:kC/SFVGdjY0=:g1AK5ug3H0KbML+hkfyp5L hF/pB3nTeLrnEyPE0jbm/vO+yjqBVVq058cfVBjOdO4G8jvmoxbFeSP/bsrVcXI4JPeCAteU1 Qj17WreXxOYyB452wEDvlWAfl8lpq5vx/z57OZ4U0lqWfRLKtZnUhsHxuIo0+sgPBCwcf01JJ AJEGxVgj5WTD02wX1pLeJlh6+XvAVq3fk1ybA/Z0gOQfhnn+jHgJNCTBrSXauUzM0+q1CZMX4 Wj62QqLeUMqY84W9QsozsOPO1JMijBOvL7uJmpX54tn6z4zdFuIetbhzE7Whfxi98cpTuisPh X4jBFiaqkWYyaWYui8fBC171MR3qCSWTd/8PRjQfUgfFTrT4IHkV5MvdTTMVnmkPzBCz6BIbB fbVCTdikOlorTlEx7jD2apWthrM+CDUZXWA6Rz/s3MKPkpXot3AnkMsm3YFaL38SHkf+r10zF 8OH2dk7+DPzSpkqtMDoXlveyxytuGT96FCjcoeIoi7r5L6wC+ZhvrmSeDMs9O1kraPBXKaloO erBy5yePV7KBQvBFFd3qqeCHktdXW5aC+2mfirBwEl0RWGrGqUMCBfuqd3GQSbBBPeEc7ugQd Jx2D70uCPMyTXuD/FezNu7pix0O4lOWTFQXVxlv2tuViMnwXB5SoOYgYuGb/LvjgL6hnHpqgy dXHk0/Mo4mwaBFsd6EmsIUFNQdDoVnzFkgcCcyGhzNxzmLTxAlYnVuhGEUIi7/jnH9jSpIGdA vk8l+6Y+5GBq0m+hK8E8v6XDzw7m2trGdiLXi1XBdW4zOqb/5YKf635nw79DTQDxRNFkM67Wj iqXbcBzAU1RXI6+BwJVCrNIGdRQkOAY42JcdaW19za3iqxinrQ= X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200215_085929_106982_6509DC93 X-CRM114-Status: GOOD ( 13.44 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Linux ARM , Chris Paterson , Michal Hocko , Rik van Riel , Catalin Marinas , Santosh Shilimkar , Dave Chinner , Russell King - ARM Linux admin , Linux Kernel Mailing List , Linux-MM , Yafang Shao , Al Viro , cip-dev@lists.cip-project.org, Johannes Weiner , linux-fsdevel , kernel-team@fb.com, Kishon Vijay Abraham I , Linus Torvalds , Andrew Morton , Roman Gushchin Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Sat, Feb 15, 2020 at 12:25 PM Geert Uytterhoeven wrote: > On Thu, Feb 13, 2020 at 5:54 PM Arnd Bergmann wrote: > > On Wed, Feb 12, 2020 at 9:50 AM Russell King - ARM Linux admin > > wrote: > > The CIP-supported RZ/G1 SoCs can have up to 4 GiB, typically split (even > for 1 GiB or 2 GiB configurations) in two parts, one below and one above > the 32-bit physical limit. Good to know. I think there are several other chips that have dual-channel DDR3 and thus /can/ support this configuration, but this rarely happens. Are you aware of commercial products that use a 4GB configuration, aside from the reference board? For TI AM54x, there is apparently a variant of the Dragonbox Pyro with 4G, which is said to be shipping in the near future, see https://en.wikipedia.org/wiki/DragonBox_Pyra Arnd _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel From mboxrd@z Thu Jan 1 00:00:00 1970 From: arnd@arndb.de (Arnd Bergmann) Date: Sat, 15 Feb 2020 17:59:02 +0100 Subject: [cip-dev] [PATCH] vfs: keep inodes with page cache off the inode shrinker LRU In-Reply-To: References: <20200211175507.178100-1-hannes@cmpxchg.org> <29b6e848ff4ad69b55201751c9880921266ec7f4.camel@surriel.com> <20200211193101.GA178975@cmpxchg.org> <20200211154438.14ef129db412574c5576facf@linux-foundation.org> <20200211164701.4ac88d9222e23d1e8cc57c51@linux-foundation.org> <20200212085004.GL25745@shell.armlinux.org.uk> Message-ID: To: cip-dev@lists.cip-project.org List-Id: cip-dev.lists.cip-project.org On Sat, Feb 15, 2020 at 12:25 PM Geert Uytterhoeven wrote: > On Thu, Feb 13, 2020 at 5:54 PM Arnd Bergmann wrote: > > On Wed, Feb 12, 2020 at 9:50 AM Russell King - ARM Linux admin > > wrote: > > The CIP-supported RZ/G1 SoCs can have up to 4 GiB, typically split (even > for 1 GiB or 2 GiB configurations) in two parts, one below and one above > the 32-bit physical limit. Good to know. I think there are several other chips that have dual-channel DDR3 and thus /can/ support this configuration, but this rarely happens. Are you aware of commercial products that use a 4GB configuration, aside from the reference board? For TI AM54x, there is apparently a variant of the Dragonbox Pyro with 4G, which is said to be shipping in the near future, see https://en.wikipedia.org/wiki/DragonBox_Pyra Arnd