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2017-06-14arm64: dts: r8a7795: Add reset control properties for audioGeert Uytterhoeven
Note that the audio module has resets for the Serial Sound Interfaces only. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-06-12arm64: dts: renesas: Add support for Salvator-XS with R-Car H3 ES2.0Geert Uytterhoeven
Add initial support for the Renesas Salvator-XS (Salvator-X 2nd version) development board equipped with an R-Car H3 ES2.0 SiP. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-06-12arm64: dts: renesas: Add common Salvator-XS board supportGeert Uytterhoeven
The Renesas Salvator-XS (Salvator-X 2nd version) development board can be equipped with either an R-Car H3 ES2.0 or M3-W ES1.x SiP, which are pin-compatible. Add initial support for the common parts of the Salvator-XS board into its own .dtsi file, to be included by the DTSes for the H3/M3-W versions. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-06-12arm64: dts: renesas: Extract common Salvator-X/XS board supportGeert Uytterhoeven
The Renesas Salvator-X and Salvator-XS (Salvator-X 2nd version) boards are very similar. To avoid duplication, prepare for the advent of the latter by extracting the common board parts into its own .dtsi file. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-06-12arm64: dts: salvator-x: Add missing index to PWM pinctrl subnode nameGeert Uytterhoeven
R-Car Gen3 SoCs contain multiple PWM modules. Hence to avoid conflicts, pinctrl subnodes for PWM should include indices referring to their instances. Fixes: b33be33670217533 ("arm64: dts: salvator-x: Add panel backlight support") Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-06-12arm64: dts: r8a7795: h3ulcb: Add support for R-Car H3 ES2.0Geert Uytterhoeven
Split off support for H3ULCB boards with the ES1.x revision of the R-Car H3 SoC into a separate file. The main r8a7795-h3ulcb.dts file now corresponds to H3ULCB with R-Car H3 ES2.0 or later. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-06-12arm64: dts: r8a7796: add DMA for IIC_DVFSWolfram Sang
Tested with a Salvator-X. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-06-12arm64: dts: r8a7795: add DMA for IIC_DVFSWolfram Sang
Tested with a Salvator-X. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-06-12arm64: dts: ulcb: add 12288000 for sound ADGKuninori Morimoto
Current rcar_sound only has 11289600 (= for 44.1kHz) clock-frequency, but it needs 12288000 for 48kHz too. Otherwise, 48kHz based sound can't handle correctly. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-06-12arm64: dts: salvator-x: add 12288000 for sound ADGKuninori Morimoto
Current rcar_sound only has 11289600 (= for 44.1kHz) clock-frequency, but it needs 12288000 for 48kHz too. Otherwise, 48kHz based sound can't handle correctly. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-05-22arm64: dts: r8a7795: salvator-x: Add support for R-Car H3 ES2.0Geert Uytterhoeven
Split off support for Salvator-X boards with the ES1.x revision of the R-Car H3 SoC into a separate file. The main r8a7795-salvator-x.dts file now corresponds to Salvator-X with R-Car H3 ES2.0 or later. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-05-22arm64: dts: r8a7795: Add support for R-Car H3 ES2.0Geert Uytterhoeven
Update r8a7795.dtsi so it corresponds to R-Car H3 ES2.0 or later: - The following devices no longer exist on ES2.0, and are thus removed: fcpf2, fcpvd3, fcpvi2, fdp1-2, usb3-if1, vspd3, vspi2. - The DU <-> VSPD topology is different on ES2.0, hence remove the "compatible" and "vsps" properties from the DU node until the driver can handle this. Move support for the ES1.x revision of the R-Car H3 SoC into a separate file. To avoid duplication, r8a7795-es1.dtsi includes r8a7795.dtsi, and adds device nodes and properties where needed. Note that while currently r8a7795-es1.dtsi only adds device nodes, removal of devices nodes and properties can be implemented using the /delete-node/ and /delete-property/ keywords, as shown below: &soc { /delete-node/ <name>@<addr>; }; &<label> { /delete-property/ <prop>; }; Switch r8a7795-salvator-x.dts and r8a7795-h3ulcb.dts from r8a7795.dtsi to r8a7795-es1.dtsi to preserve compatibility. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-05-22arm64: dts: ulcb: Set drive-strength for ravb pinsSimon Horman
The EthernetAVB should not depend on the bootloader to setup correct drive-strength values. Values for drive-strength where found by examining the registers after the bootloader has configured the registers and successfully used the EthernetAVB. Based on: * commit 7d73a4da2681 ("arm64: dts: r8a7795: salvator-x: Set drive-strength for ravb pins") * commit 4903987033be ("arm64: dts: r8a7796: salvator-x: Set drive-strength for ravb pins") Cc: Geert Uytterhoeven <geert+renesas@glider.be> Cc: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Signed-off-by: Simon Horman <horms+renesas@verge.net.au> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
2017-05-22arm64: dts: renesas: r8a7795-salvator-x: Enable HDMI outputsKoji Matsuoka
Enable the HDMI encoders for the H3 Salvator-X board. The number of encoders varies between the H3 and M3-W SoCs, so they can't be enabled in the common salvator-x.dtsi file. Signed-off-by: Koji Matsuoka <koji.matsuoka.xm@renesas.com> Signed-off-by: Ulrich Hecht <ulrich.hecht+renesas@gmail.com> Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-05-22arm64: dts: renesas: r8a7795-salvator-x: Add DU external dot clocksLaurent Pinchart
The DU1 and DU2 external dot clocks are provided by the fixed frequency clock generators X21 and X22, while the DU0 and DU3 clocks are provided by the programmable Versaclock5 clock generator. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-05-22arm64: dts: renesas: salvator-x: Add HDMI output connectorsLaurent Pinchart
The Salvator-X board has two HDMI output connectors. Add them to the common salvator-x.dtsi. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-05-22arm64: dts: renesas: salvator-x: Add DU external dot clock sourcesLaurent Pinchart
The DU1 and DU2 external dot clocks are fixed frequency clock generators running at 33MHz, while the DU0 and DU3 external dot clocks are generated by an I2C-controlled programmable clock generator. All those clock generators are available on both the H3 and M3-W Salvator-X boards. Add them to the salvator-x.dtsi file. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-05-22arm64: dts: renesas: r8a7795: Add HDMI encoder supportUlrich Hecht
Add DT nodes for the two HDMI encoders in disabled state. Based on work by Koji Matsuoka. Signed-off-by: Ulrich Hecht <ulrich.hecht+renesas@gmail.com> Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-05-22arm64: dts: salvator-x: Add panel backlight supportLaurent Pinchart
The panel backlight is controlled through a GPIO and a PWM channel. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> [simon: apply to salvator-x.dtsi instead of r8a7795-salvator-x.dts] Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-05-22arm64: dts: r8a7796: Add PWM device nodesTakeshi Kihara
This patch adds PWM{0,1,2,3,4,5,6} device nodes for R8A7796 SoC. Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com> [uli: added resets, shortened reg lengths to 8] Signed-off-by: Ulrich Hecht <ulrich.hecht+renesas@gmail.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-05-22arm64: dts: r8a7796: add Sound MIX supportKuninori Morimoto
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-05-22arm64: dts: r8a7796: add Sound CTU supportKuninori Morimoto
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-05-22arm64: dts: r8a7796: add Sound DVC supportKuninori Morimoto
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-05-22arm64: dts: r8a7796: add Sound SRC supportKuninori Morimoto
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-05-22arm64: dts: r8a7796: add Sound SSI DMA supportKuninori Morimoto
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-05-22arm64: dts: r8a7796: add Sound SSI PIO supportKuninori Morimoto
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-05-22arm64: dts: r8a7796: add AUDIO_DMAC supportKuninori Morimoto
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-05-22arm64: dts: salvator-x: Add current sense amplifiersJacopo Mondi
Add device nodes for two Maxim max961x current sense amplifiers sensing VDD_08 and DVFS_08 lines. Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org> [geert: r8a7796-salvator-x.dts => salvator-x.dtsi] Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-05-22arm64: dts: renesas: Extract common ULCB board supportGeert Uytterhoeven
The Renesas ULCB development board can be equipped with either an R-Car H3 or M3-W SiP, which are pin-compatible. Both boards use different DTBs. Reduce duplication by extracting common ULCB board support into its own .dtsi file. References to SoC-specific clocks are handled through cpp definitions. Sort device nodes while at it. For H3ULCB, there are no functional changes. For M3ULCB, the following new devices are now described in DT: - External audio, CAN, and PCIe clocks, - CS2000 clock generator, - AK4613 Audio Codec. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-05-22arm64: dts: renesas: Extract common Salvator-X board supportGeert Uytterhoeven
The Renesas Salvator-X development board can be equipped with either an R-Car H3 or M3-W SiP, which are pin-compatible. Both boards use different DTBs. Reduce duplication by extracting common Salvator-X board support into its own .dtsi file. References to SoC-specific clocks are handled through cpp definitions. Sort device nodes while at it. For boards with an R-Car H3 SiP, there are no functional changes. For boards with an R-Car M3-W SiP, the following new devices are now described in DT: - External audio, CAN, and PCIe clocks, - USB Vbus regulator, - CS2000 clock generator, - AK4613 Audio Codec, - VGA. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-05-22arm64: dts: r8a7796: Add placeholders for various devicesGeert Uytterhoeven
Add empty device nodes serving as placeholders for devices that are not yet supported and/or tested on R-Car M3-W, but are supported and used on Salvator-X or H3ULCB boards equipped with an R-Car H3 SoC. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-05-22arm64: dts: r8a7796: Add external PCIe bus clockGeert Uytterhoeven
Add the external PCIe bus clock as a zero Hz fixed-frequency clock. Boards that provide this clock should override it. Based on r8a7795.dtsi. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-05-22arm64: dts: r8a7796: Add external audio clocksGeert Uytterhoeven
Add the external audio clocks as zero Hz fixed-frequency clocks. Boards that provide these clocks should override them. Based on commit 623197b90c7aa97c ("arm64: renesas: r8a7795: Sound SSI PIO support"). Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-05-22arm64: dts: r8a7795: update PFC node name to pin-controllerSimon Horman
The device trees for Renesas SoCs use either pfc or pin-controller as the node name for the PFC device. This patch is intended to take a step towards unifying the node name used as pin-controller which appears to be the more generic of the two and thus more in keeping with the DT specs. My analysis is that this is a user-visible change to the extent that kernel logs, and sysfs entries change from e6060000.pfc and pfc@e6060000 to e6060000.pin-controller and pin-controller@e6060000. Signed-off-by: Simon Horman <horms+renesas@verge.net.au> Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
2017-05-22arm64: dts: r8a7796: salvator-x: Set drive-strength for ravb pinsGeert Uytterhoeven
The EthernetAVB should not depend on the bootloader to setup correct drive-strength values. Values for drive-strength where found by examining the registers after the bootloader has configured the registers and successfully used the EthernetAVB. Based on commit 7d73a4da2681dc5d ("arm64: dts: r8a7795: salvator-x: Set drive-strength for ravb pins"). Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-05-22arm64: dts: r8a7796: salvator-x: Enable NFS rootGeert Uytterhoeven
Cfr. commit b2407c566ba29215 ("arm64: dts: r8a7795: enable nfs root on Salvator-X board"). Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-05-22arm64: dts: m3ulcb: Fix EthernetAVB PHY timingSimon Horman
Set PHY rxc-skew-ps to 1500 and all other values to their default values. This is intended to to address failures in the case of 1Gbps communication using the salvator-x board with the KSZ9031RNX phy. This has been reported to occur with both the r8a7795 (H3) and r8a7796 (M3-W) SoCs. Based in a similar patch for the r8a7796 salvator-x by Kazuya Mizuguchi. Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-05-22arm64: dts: h3ulcb: enable HS200 for eMMCVladimir Barinov
This supports HS200 mode for eMMC on H3ULCB board Signed-off-by: Vladimir Barinov <vladimir.barinov+renesas@cogentembedded.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-05-22arm64: dts: m3ulcb: enable HS200 for eMMCVladimir Barinov
This supports HS200 mode for eMMC on M3ULCB board Signed-off-by: Vladimir Barinov <vladimir.barinov+renesas@cogentembedded.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-05-22arm64: dts: r8a7796: salvator-x: enable HS200 for eMMCWolfram Sang
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-05-22arm64: dts: r8a7795: salvator-x: enable HS200 for eMMCWolfram Sang
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-05-22arm64: dts: r8a7795: salvator-x: Update memory node to 4 GiB mapTakeshi Kihara
This patch addes memory region: - After changes, the Salvator-X board has the following map: Bank0: 1GiB RAM : 0x000048000000 -> 0x0007fffffff Bank1: 1GiB RAM : 0x000500000000 -> 0x0053fffffff Bank2: 1GiB RAM : 0x000600000000 -> 0x0063fffffff Bank3: 1GiB RAM : 0x000700000000 -> 0x0073fffffff - Before changes, the old map looked like this: Bank0: 1GiB RAM : 0x000048000000 -> 0x0007fffffff Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-05-22arm64: dts: m3ulcb: enable EthernetAVBVladimir Barinov
This supports Ethernet AVB on M3ULCB board Signed-off-by: Vladimir Barinov <vladimir.barinov+renesas@cogentembedded.com> Tested-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-05-22arm64: dts: m3ulcb: Update memory node to 2 GiB mapVladimir Barinov
This patch updates memory region: - After changes, the new map of the m3ulcb board on R8A7796 SoC Bank0: 1GiB RAM : 0x000048000000 -> 0x0007fffffff Bank1: 1GiB RAM : 0x000600000000 -> 0x0063fffffff - Before changes, the old map looked like this: Bank0: 1GiB RAM : 0x000048000000 -> 0x0007fffffff Signed-off-by: Vladimir Barinov <vladimir.barinov+renesas@cogentembedded.com> Tested-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-05-22arm64: dts: m3ulcb: enable I2CVladimir Barinov
This supports I2C2 bus on M3ULCB board Signed-off-by: Vladimir Barinov <vladimir.barinov+renesas@cogentembedded.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2017-05-13Linux 4.12-rc1v4.12-rc1Linus Torvalds
2017-05-13Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input Pull some more input subsystem updates from Dmitry Torokhov: "An updated xpad driver with a few more recognized device IDs, and a new psxpad-spi driver, allowing connecting Playstation 1 and 2 joypads via SPI bus" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: cros_ec_keyb - remove extraneous 'const' Input: add support for PlayStation 1/2 joypads connected via SPI Input: xpad - add USB IDs for Mad Catz Brawlstick and Razer Sabertooth Input: xpad - sync supported devices with xboxdrv Input: xpad - sort supported devices by USB ID
2017-05-13Merge tag 'upstream-4.12-rc1' of git://git.infradead.org/linux-ubifsLinus Torvalds
Pull UBI/UBIFS updates from Richard Weinberger: - new config option CONFIG_UBIFS_FS_SECURITY - minor improvements - random fixes * tag 'upstream-4.12-rc1' of git://git.infradead.org/linux-ubifs: ubi: Add debugfs file for tracking PEB state ubifs: Fix a typo in comment of ioctl2ubifs & ubifs2ioctl ubifs: Remove unnecessary assignment ubifs: Fix cut and paste error on sb type comparisons ubi: fastmap: Fix slab corruption ubifs: Add CONFIG_UBIFS_FS_SECURITY to disable/enable security labels ubi: Make mtd parameter readable ubi: Fix section mismatch
2017-05-13Merge branch 'for-linus-4.12-rc1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml Pull UML fixes from Richard Weinberger: "No new stuff, just fixes" * 'for-linus-4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml: um: Add missing NR_CPUS include um: Fix to call read_initrd after init_bootmem um: Include kbuild.h instead of duplicating its macros um: Fix PTRACE_POKEUSER on x86_64 um: Set number of CPUs um: Fix _print_addr()
2017-05-13Merge branch 'akpm' (patches from Andrew)Linus Torvalds
Merge misc fixes from Andrew Morton: "15 fixes" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: mm, docs: update memory.stat description with workingset* entries mm: vmscan: scan until it finds eligible pages mm, thp: copying user pages must schedule on collapse dax: fix PMD data corruption when fault races with write dax: fix data corruption when fault races with write ext4: return to starting transaction in ext4_dax_huge_fault() mm: fix data corruption due to stale mmap reads dax: prevent invalidation of mapped DAX entries Tigran has moved mm, vmalloc: fix vmalloc users tracking properly mm/khugepaged: add missed tracepoint for collapse_huge_page_swapin gcov: support GCC 7.1 mm, vmstat: Remove spurious WARN() during zoneinfo print time: delete current_fs_time() hwpoison, memcg: forcibly uncharge LRU pages