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; 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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