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bfed6708d6
linux/drivers
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Christoph Hellwig bfed6708d6 drm/i915: use vmap in shmem_pin_map 
shmem_pin_map somewhat awkwardly reimplements vmap using alloc_vm_area and
manual pte setup.  The only practical difference is that alloc_vm_area
prefeaults the vmalloc area PTEs, which doesn't seem to be required here
(and could be added to vmap using a flag if actually required).  Switch to
use vmap, and use vfree to free both the vmalloc mapping and the page
array, as well as dropping the references to each page.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Juergen Gross <jgross@suse.com>
Cc: Matthew Auld <matthew.auld@intel.com>
Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Nitin Gupta <ngupta@vflare.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Stefano Stabellini <sstabellini@kernel.org>
Cc: Uladzislau Rezki (Sony) <urezki@gmail.com>
Link: https://lkml.kernel.org/r/20201002122204.1534411-7-hch@lst.de
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-10-18 09:27:10 -07:00
..
accessibility
acpi mm/memory_hotplug: prepare passing flags to add_memory() and friends 2020-10-16 11:11:18 -07:00
amba
android binder: fix UAF when releasing todo list 2020-10-10 12:40:52 +02:00
ata ata: ahci: mvebu: Make SATA PHY optional for Armada 3720 2020-10-09 12:47:56 -06:00
atm atm: atmtcp: Constify atmtcp_v_dev_ops 2020-09-28 16:03:30 -07:00
auxdisplay
base docs updates for v5.10-rc1 2020-10-16 15:02:21 -07:00
bcma bcma: use semicolons rather than commas to separate statements 2020-10-01 16:23:50 +03:00
block Merge branch 'akpm' (patches from Andrew) 2020-10-16 11:31:55 -07:00
bluetooth networking changes for the 5.10 merge window 2020-10-15 18:42:13 -07:00
bus Char/Misc driver patches for 5.10-rc1 2020-10-15 10:01:51 -07:00
cdrom
char drm next for 5.10-rc1 2020-10-15 10:46:16 -07:00
clk
clocksource hyperv-next for 5.10 2020-10-14 10:32:10 -07:00
connector
counter counter: use semicolons rather than commas to separate statements 2020-09-29 17:27:08 +01:00
cpufreq powerpc updates for 5.10 2020-10-16 12:21:15 -07:00
cpuidle powerpc updates for 5.10 2020-10-16 12:21:15 -07:00
crypto s390 updates for the 5.10 merge window 2020-10-16 12:36:38 -07:00
dax mm/memory_hotplug: prepare passing flags to add_memory() and friends 2020-10-16 11:11:18 -07:00
dca
devfreq PM / devfreq: tegra30: Improve initial hardware resetting 2020-09-29 17:50:10 +09:00
dio
dma dmaengine: owl-dma: fix kernel-doc style for enum 2020-10-08 15:18:48 +05:30
dma-buf dma-mapping updates for 5.10 2020-10-15 14:43:29 -07:00
edac EFI changes for v5.10: 2020-10-12 13:26:49 -07:00
eisa
extcon extcon: axp288: Use module_platform_driver to simplify the code 2020-09-30 00:40:06 +09:00
firewire
firmware MIPS updates for v5.10: 2020-10-16 12:40:55 -07:00
fpga
fsi
gnss
gpio - New Drivers 2020-10-14 15:56:58 -07:00
gpu drm/i915: use vmap in shmem_pin_map 2020-10-18 09:27:10 -07:00
greybus
hid Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2020-10-15 15:11:56 -07:00
hsi
hv Merge branch 'akpm' (patches from Andrew) 2020-10-16 11:31:55 -07:00
hwmon Driver Core patches for 5.10-rc1 2020-10-14 16:09:32 -07:00
hwspinlock
hwtracing intel_th: pci: Add Alder Lake CPU support 2020-10-05 12:43:54 +02:00
i2c i2c: owl: Clear NACK and BUS error bits 2020-10-10 13:15:46 +02:00
i3c * Fix DAA for the pre-reserved address case 2020-10-17 11:01:01 -07:00
ide block-5.10-2020-10-12 2020-10-13 12:12:44 -07:00
idle
iio sound updates for 5.10 2020-10-15 11:07:44 -07:00
infiniband RDMA 5.10 pull request 2020-10-17 11:18:18 -07:00
input hyperv-next for 5.10 2020-10-14 10:32:10 -07:00
interconnect
iommu dma-mapping updates for 5.10 2020-10-15 14:43:29 -07:00
ipack
irqchip - New Drivers 2020-10-14 15:56:58 -07:00
isdn
leds leds: pwm: Remove platform_data support 2020-10-07 12:02:58 +02:00
lightnvm
macintosh powerpc updates for 5.10 2020-10-16 12:21:15 -07:00
mailbox
mcb
md - Improve DM core's bio splitting to use blk_max_size_offset(). Also 2020-10-14 15:05:38 -07:00
media dma-mapping updates for 5.10 2020-10-15 14:43:29 -07:00
memory IOMMU Updates for Linux v5.10 2020-10-14 12:08:34 -07:00
memstick Merge branch 'fixes' into next 2020-09-28 12:17:36 +02:00
message SCSI misc on 20201013 2020-10-14 15:15:35 -07:00
mfd - New Drivers 2020-10-14 15:56:58 -07:00
misc powerpc updates for 5.10 2020-10-16 12:21:15 -07:00
mmc block-5.10-2020-10-12 2020-10-13 12:12:44 -07:00
most
mtd NAND Core changes: 2020-10-17 10:45:42 -07:00
mux
net RDMA 5.10 pull request 2020-10-17 11:18:18 -07:00
nfc
ntb
nubus
nvdimm mm/memremap_pages: support multiple ranges per invocation 2020-10-13 18:38:28 -07:00
nvme drivers-5.10-2020-10-12 2020-10-13 13:04:41 -07:00
nvmem nvmem: core: fix possibly memleak when use nvmem_cell_info_to_nvmem_cell() 2020-09-27 14:25:48 +02:00
of networking changes for the 5.10 merge window 2020-10-15 18:42:13 -07:00
opp Merge branch 'cpufreq/arm/linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm 2020-10-06 12:26:45 +02:00
oprofile
parisc dma-mapping: split <linux/dma-mapping.h> 2020-10-06 07:07:03 +02:00
parport
pci dma-mapping updates for 5.10 2020-10-15 14:43:29 -07:00
pcmcia
perf perf: arm-cmn: Fix conversion specifiers for node type 2020-10-01 22:30:07 +01:00
phy drm next for 5.10-rc1 2020-10-15 10:46:16 -07:00
pinctrl Pin control bulk changes for the v5.10 kernel cycle 2020-10-14 15:25:04 -07:00
platform platform-drivers-x86 for v5.10-1 2020-10-14 10:43:24 -07:00
pnp PNP: remove the now unused pnp_find_card() function 2020-10-08 18:00:08 +02:00
power Char/Misc driver patches for 5.10-rc1 2020-10-15 10:01:51 -07:00
powercap powercap: include header to fix -Wmissing-prototypes 2020-09-25 16:46:01 +02:00
pps
ps3
ptp
pwm drm next for 5.10-rc1 2020-10-15 10:46:16 -07:00
rapidio rapidio: fix the missed put_device() for rio_mport_add_riodev 2020-10-16 11:11:22 -07:00
ras RAS/CEC: Convert to DEFINE_SHOW_ATTRIBUTE() 2020-09-25 19:05:31 +02:00
regulator Merge remote-tracking branch 'regulator/for-5.10' into regulator-next 2020-10-05 16:54:56 +01:00
remoteproc dma-mapping updates for 5.10 2020-10-15 14:43:29 -07:00
reset
rpmsg
rtc
s390 s390 updates for the 5.10 merge window 2020-10-16 12:36:38 -07:00
sbus
scsi powerpc updates for 5.10 2020-10-16 12:21:15 -07:00
sfi
sh
siox
slimbus slimbus: qcom-ngd-ctrl: disable ngd in qmi server down callback 2020-09-25 14:41:51 +02:00
soc Power management updates for 5.10-rc1 2020-10-14 10:45:41 -07:00
soundwire soundwire updates for 5.10-rc1 2020-10-01 22:59:55 +02:00
spi sound updates for 5.10 2020-10-15 11:07:44 -07:00
spmi
ssb
staging dma-mapping updates for 5.10 2020-10-15 14:43:29 -07:00
target networking changes for the 5.10 merge window 2020-10-15 18:42:13 -07:00
tc
tee
thermal - Fix Kconfig typo "acces" -> "access" (Colin Ian King) 2020-10-17 10:40:22 -07:00
thunderbolt thunderbolt: Changes for v5.10 merge window 2020-09-30 09:42:36 +02:00
tty MIPS updates for v5.10: 2020-10-16 12:40:55 -07:00
uio
usb dma-mapping updates for 5.10 2020-10-15 14:43:29 -07:00
vdpa dma-mapping updates for 5.10 2020-10-15 14:43:29 -07:00
vfio mm: remove the now-unnecessary mmget_still_valid() hack 2020-10-16 11:11:22 -07:00
vhost vhost-vdpa: fix page pinning leakage in error path 2020-10-04 03:47:02 -04:00
video Merge branch 'parisc-5.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux 2020-10-15 15:42:55 -07:00
virt virt: vbox: simplify the return expression of vbg_input_open() 2020-10-02 11:36:13 +02:00
virtio virtio-mem: try to merge system ram resources 2020-10-16 11:11:18 -07:00
visorbus
vlynq
vme
w1 w1: w1_therm: make w1_poll_completion static 2020-10-05 14:49:24 +02:00
watchdog - New Drivers 2020-10-14 15:56:58 -07:00
xen xen/balloon: try to merge system ram resources 2020-10-16 11:11:18 -07:00
zorro
Kconfig
Makefile