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Vishal Verma 4eca0ef49a dax/kmem: allow kmem to add memory with memmap_on_memory 
Large amounts of memory managed by the kmem driver may come in via CXL,
and it is often desirable to have the memmap for this memory on the new
memory itself.

Enroll kmem-managed memory for memmap_on_memory semantics if the dax
region originates via CXL.  For non-CXL dax regions, retain the existing
default behavior of hot adding without memmap_on_memory semantics.

Link: https://lkml.kernel.org/r/20231107-vv-kmem_memmap-v10-3-1253ec050ed0@intel.com
Signed-off-by: Vishal Verma <vishal.l.verma@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: "Huang, Ying" <ying.huang@intel.com>
Tested-by: Li Zhijian <lizhijian@fujitsu.com>	[cxl.kmem and nvdimm.kmem]
Cc: Michal Hocko <mhocko@suse.com>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Dave Jiang <dave.jiang@intel.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Cc: Fan Ni <fan.ni@samsung.com>
Cc: Jeff Moyer <jmoyer@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
 		2023-12-10 16:51:35 -08:00
..
accel accel/ivpu/37xx: Fix hangs related to MMIO reset 2023-11-21 09:20:25 +01:00
accessibility
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acpi ACPI fixes for 6.7-rc4 2023-12-02 08:52:20 +09:00
amba
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android Char/Misc and other driver changes for 6.7-rc1 2023-11-03 14:51:08 -10:00
ata SCSI fixes on 20231130 2023-12-02 06:27:20 +09:00
atm
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auxdisplay
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base drivers/base/cpu: crash data showing should depends on KEXEC_CORE 2023-12-06 16:12:48 -08:00
bcma
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block nbd: pass nbd_sock to nbd_read_reply() instead of index 2023-11-21 07:42:04 -07:00
bluetooth
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bus
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cache
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cdrom
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cdx Char/Misc and other driver changes for 6.7-rc1 2023-11-03 14:51:08 -10:00
char Char/Misc and other driver changes for 6.7-rc1 2023-11-03 14:51:08 -10:00
clk
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clocksource RISC-V Patches for the 6.7 Merge Window, Part 2 2023-11-10 09:23:17 -08:00
comedi
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connector
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counter
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cpufreq cpufreq/amd-pstate: Only print supported EPP values for performance governor 2023-11-29 22:04:15 +01:00
cpuidle
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crypto
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cxl
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dax dax/kmem: allow kmem to add memory with memmap_on_memory 2023-12-10 16:51:35 -08:00
dca
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devfreq
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dio
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dma dmaengine updates for v6.7 2023-11-03 18:56:51 -10:00
dma-buf dma-buf: fix check in dma_resv_add_fence 2023-11-27 20:00:47 +01:00
dpll dpll: Fix potential msg memleak when genlmsg_put_reply failed 2023-11-21 17:41:20 -08:00
edac
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eisa
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extcon
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firewire firewire fixes for 6.7-rc4 2023-12-03 09:03:07 +09:00
firmware efi/unaccepted: Fix off-by-one when checking for overlapping ranges 2023-11-28 12:49:21 +01:00
fpga Char/Misc and other driver changes for 6.7-rc1 2023-11-03 14:51:08 -10:00
fsi
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gnss
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gpio pwm: Changes for v6.7-rc1 2023-11-09 13:47:52 -08:00
gpu amd-drm-fixes-6.7-2023-11-30: 2023-12-01 13:57:11 +10:00
greybus
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hid for-linus-2023112301 2023-11-23 17:31:53 -08:00
hsi
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hte
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hv TTY/Serial changes for 6.7-rc1 2023-11-03 15:44:25 -10:00
hwmon
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hwspinlock
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hwtracing
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i2c i2c: ocores: Move system PM hooks to the NOIRQ phase 2023-11-13 12:43:42 -05:00
i3c I3C for 6.7 2023-11-04 16:25:36 -10:00
idle
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iio Char/Misc and other driver changes for 6.7-rc1 2023-11-03 14:51:08 -10:00
infiniband
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input Input updates for 6.7 merge window: 2023-11-09 14:18:42 -08:00
interconnect
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iommu iommu: Fix printk arg in of_iommu_get_resv_regions() 2023-12-01 10:13:49 +01:00
ipack
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irqchip - Flush the translation service tables to prevent unpredictable behavior 2023-11-19 13:49:32 -08:00
isdn
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leds leds: class: Don't expose color sysfs entry 2023-11-22 11:46:03 +00:00
macintosh powerpc updates for 6.7 2023-11-03 10:07:39 -10:00
mailbox Moving repo 2023-11-05 18:45:32 -08:00
mcb
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md block-6.7-2023-12-01 2023-12-02 06:39:30 +09:00
media Renesas R-Car VSP1 driver regression fix 2023-11-16 14:28:44 +01:00
memory IOMMU Updates for Linux v6.7 2023-11-09 13:37:28 -08:00
memstick
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message
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mfd
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misc RISC-V Patches for the 6.7 Merge Window, Part 1 2023-11-08 09:21:18 -08:00
mmc mmc: sdhci-sprd: Fix vqmmc not shutting down after the card was pulled 2023-11-23 18:04:17 +01:00
most
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mtd - removed AR7 platform support 2023-11-10 09:19:46 -08:00
mux
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net net: ravb: Keep reverse order of operations in ravb_remove() 2023-11-30 10:59:07 +01:00
nfc nfc: virtual_ncidev: Add variable to check if ndev is running 2023-11-22 10:55:48 +00:00
ntb
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nubus
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nvdimm
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nvme nvme-core: check for too small lba shift 2023-12-01 07:49:50 -08:00
nvmem Char/Misc and other driver changes for 6.7-rc1 2023-11-03 14:51:08 -10:00
of RISC-V Patches for the 6.7 Merge Window, Part 2 2023-11-10 09:23:17 -08:00
opp
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parisc parisc/power: Fix power soft-off when running on qemu 2023-11-18 18:59:30 +01:00
parport parport: gsc: mark init function static 2023-11-10 08:41:23 +01:00
pci cxl for v6.7 2023-11-04 16:20:36 -10:00
pcmcia PCMCIA odd cleanups and fixes for v6.7-rc1 2023-11-07 16:40:42 -08:00
peci
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perf arm64 fixes: 2023-11-10 12:22:14 -08:00
phy Revert "phy: realtek: usb: Add driver for the Realtek SoC USB 2.0 PHY" 2023-11-06 14:47:36 +01:00
pinctrl pinctrl: realtek: Fix logical error when finding descriptor 2023-11-24 10:39:20 +01:00
platform platform/x86: intel_telemetry: Fix kernel doc descriptions 2023-11-21 10:09:04 +02:00
pmdomain Power management fixes for 6.7-rc4 2023-12-02 09:01:00 +09:00
pnp
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power USB/Thunderbolt changes for 6.7-rc1 2023-11-03 16:00:42 -10:00
powercap powercap: DTPM: Fix unneeded conversions to micro-Watts 2023-11-28 15:15:14 +01:00
pps
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ps3
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ptp ptp: annotate data-race around q->head and q->tail 2023-11-13 20:51:37 -08:00
pwm pwm: samsung: Fix a bit test in pwm_samsung_resume() 2023-11-10 09:20:48 +01:00
rapidio
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ras
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regulator
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remoteproc
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reset
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rpmsg
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rtc RTC for 6.7 2023-11-05 18:49:40 -08:00
s390 block-6.7-2023-11-23 2023-11-23 17:40:15 -08:00
sbus
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scsi scsi: sd: Fix system start for ATA devices 2023-11-24 20:44:21 -05:00
sh
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siox
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slimbus
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soc powerpc updates for 6.7 2023-11-03 10:07:39 -10:00
soundwire soundwire updates for 6.7 2023-11-03 19:10:41 -10:00
spi spi: Fixes for v6.7 2023-11-10 11:44:38 -08:00
spmi
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ssb
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staging pwm: Changes for v6.7-rc1 2023-11-09 13:47:52 -08:00
target
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tc
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tee
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thermal
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thunderbolt thunderbolt: Only add device router DP IN to the head of the DP resource list 2023-11-17 13:05:57 +02:00
tty - removed AR7 platform support 2023-11-10 09:19:46 -08:00
ufs scsi: ufs: core: Clear cmd if abort succeeds in MCQ mode 2023-11-24 20:35:24 -05:00
uio
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usb USB-serial fixes for 6.7-rc3 2023-11-24 16:30:38 +00:00
vdpa
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vfio vfio/pds: Fix possible sleep while in atomic context 2023-11-27 09:29:03 -07:00
vhost vhost,virtio,vdpa,firmware: bugfixes 2023-11-16 07:39:37 -05:00
video fbdev: fsl-diu-fb: mark wr_reg_wa() static 2023-11-10 09:16:02 +01:00
virt configfs-tsm for v6.7 2023-11-04 15:58:13 -10:00
virtio vhost,virtio,vdpa,firmware: bugfixes 2023-11-16 07:39:37 -05:00
w1
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watchdog - removed AR7 platform support 2023-11-10 09:19:46 -08:00
xen xen/events: fix error code in xen_bind_pirq_msi_to_irq() 2023-11-28 12:48:27 +01:00
zorro
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Kconfig - removed AR7 platform support 2023-11-10 09:19:46 -08:00
Makefile - removed AR7 platform support 2023-11-10 09:19:46 -08:00