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Sun, 16 Feb 2020 19:54:34 +0000 From: Chris Paterson To: Geert Uytterhoeven , Arnd Bergmann 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 , "cip-dev@lists.cip-project.org" Subject: RE: [PATCH] vfs: keep inodes with page cache off the inode shrinker LRU Thread-Topic: [PATCH] vfs: keep inodes with page cache off the inode shrinker LRU Thread-Index: AQHV4UBCokgUzaN+lUSpKIEPQqBkX6gXQFUAgAIZNoCAAsk4AIAAXS4AgAEY+wCAAKfGYA== Date: Sun, 16 Feb 2020 19:54:34 +0000 Message-ID: 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: Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=Chris.Paterson2@renesas.com; 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Sun, 16 Feb 2020 19:54:34 +0000 From: Chris Paterson To: Geert Uytterhoeven , Arnd Bergmann Subject: RE: [PATCH] vfs: keep inodes with page cache off the inode shrinker LRU Thread-Topic: [PATCH] vfs: keep inodes with page cache off the inode shrinker LRU Thread-Index: AQHV4UBCokgUzaN+lUSpKIEPQqBkX6gXQFUAgAIZNoCAAsk4AIAAXS4AgAEY+wCAAKfGYA== Date: Sun, 16 Feb 2020 19:54:34 +0000 Message-ID: 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: Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=Chris.Paterson2@renesas.com; x-originating-ip: [176.27.142.199] x-ms-publictraffictype: Email x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: 2a184311-dcf4-4352-d7db-08d7b31a0c02 x-ms-traffictypediagnostic: TYAPR01MB3712: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:6430; 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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 Hello Arnd, Geert, > From: Geert Uytterhoeven > Sent: 16 February 2020 09:45 > To: Arnd Bergmann > > Hi Arnd, > > On Sat, Feb 15, 2020 at 5:59 PM Arnd Bergmann wrote: > > 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. Yep. One example is r8a7743-iwg20m.dtsi. > > > > 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? iWave Systems make a range of SOM modules using the RZ/G1 SoCs. I believe there are options for some of these to use 4 GB, although 1 or 2 GB is used in the boards we've upstreamed support for. There are also other SOM vendors (e.g. Emtrion) and end users of RZ/G1, but I'm not sure of the details. Kind regards, Chris > > Unfortunately I don't know. > Chris Paterson might know. > > Gr{oetje,eeting}s, > > Geert > > -- > Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux- > m68k.org > > In personal conversations with technical people, I call myself a hacker. But > when I'm talking to journalists I just say "programmer" or something like that. > -- Linus Torvalds _______________________________________________ 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: Chris.Paterson2@renesas.com (Chris Paterson) Date: Sun, 16 Feb 2020 19:54:34 +0000 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 Hello Arnd, Geert, > From: Geert Uytterhoeven > Sent: 16 February 2020 09:45 > To: Arnd Bergmann > > Hi Arnd, > > On Sat, Feb 15, 2020 at 5:59 PM Arnd Bergmann wrote: > > 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. Yep. One example is r8a7743-iwg20m.dtsi. > > > > 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? iWave Systems make a range of SOM modules using the RZ/G1 SoCs. I believe there are options for some of these to use 4 GB, although 1 or 2 GB is used in the boards we've upstreamed support for. There are also other SOM vendors (e.g. Emtrion) and end users of RZ/G1, but I'm not sure of the details. Kind regards, Chris > > Unfortunately I don't know. > Chris Paterson might know. > > Gr{oetje,eeting}s, > > Geert > > -- > Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux- > m68k.org > > In personal conversations with technical people, I call myself a hacker. But > when I'm talking to journalists I just say "programmer" or something like that. > -- Linus Torvalds