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Jérôme Glisse 023a019a9b mm/hmm: add default fault flags to avoid the need to pre-fill pfns arrays

The HMM mirror API can be use in two fashions.  The first one where the
HMM user coalesce multiple page faults into one request and set flags per
pfns for of those faults.  The second one where the HMM user want to
pre-fault a range with specific flags.  For the latter one it is a waste
to have the user pre-fill the pfn arrays with a default flags value.

This patch adds a default flags value allowing user to set them for a
range without having to pre-fill the pfn array.

Link: http://lkml.kernel.org/r/20190403193318.16478-8-jglisse@redhat.com
Signed-off-by: Jérôme Glisse <jglisse@redhat.com>
Reviewed-by: Ralph Campbell <rcampbell@nvidia.com>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Balbir Singh <bsingharora@gmail.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Ira Weiny <ira.weiny@intel.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Souptick Joarder <jrdr.linux@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2019-05-14 09:47:48 -07:00

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Merge tag 'tag-chrome-platform-for-v5.2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux

2019-05-12 07:00:21 -04:00

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Merge tag 'leds-for-5.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds

2019-05-07 18:02:51 -07:00

Merge tag 'powerpc-5.2-1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

2019-05-10 05:29:27 -07:00

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docs/btf: fix the missing section marks

2019-05-09 15:59:59 -07:00

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Merge tag 'docs-5.2' of git://git.lwn.net/linux

2019-05-08 12:42:50 -07:00

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Merge tag 'docs-5.2' of git://git.lwn.net/linux

2019-05-08 12:42:50 -07:00

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Merge tag 'linux-watchdog-5.2-rc1' of git://www.linux-watchdog.org/linux-watchdog

2019-05-13 09:20:42 -04:00

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Merge tag 'gpio-v5.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio

2019-05-11 10:54:43 -04:00

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early-userspace

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fault-injection

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Merge branch 'parisc-5.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux

2019-05-07 19:34:17 -07:00

Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

2019-05-07 20:50:27 -07:00

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moduleparam: Save information about built-in modules in separate file

2019-05-07 21:50:24 +09:00

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docs/livepatch: Unify style of livepatch documentation in the ReST format

2019-05-07 16:06:28 -06:00

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Merge tag 'media/v5.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

2019-05-08 11:13:17 -07:00

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Merge tag 'docs-5.2' of git://git.lwn.net/linux

2019-05-08 12:42:50 -07:00

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docs: sparc: convert to ReST

2019-05-08 17:13:35 -07:00

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userfaultfd/sysctl: add vm.unprivileged_userfaultfd

2019-05-14 09:47:45 -07:00

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mm: move recent_rotated pages calculation to shrink_inactive_list()

2019-05-14 09:47:45 -07:00

Merge tag 'docs-5.2a' of git://git.lwn.net/linux

2019-05-10 13:24:53 -04:00

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mm/hmm: add default fault flags to avoid the need to pre-fill pfns arrays

2019-05-14 09:47:48 -07:00

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Merge tag 'docs-5.2a' of git://git.lwn.net/linux

2019-05-10 13:24:53 -04:00

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.gitignore

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atomic_bitops.txt

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atomic_t.txt

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bt8xxgpio.txt

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btmrvl.txt

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bus-virt-phys-mapping.txt

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Changes

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clearing-warn-once.txt

Merge tag 'docs-5.2' of git://git.lwn.net/linux

2019-05-08 12:42:50 -07:00

CodingStyle

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conf.py

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cpu-load.txt

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cputopology.txt

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crc32.txt

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dcdbas.txt

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debugging-modules.txt

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debugging-via-ohci1394.txt

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dell_rbu.txt

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digsig.txt

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DMA-API-HOWTO.txt

Merge tag 'dma-mapping-5.2' of git://git.infradead.org/users/hch/dma-mapping

2019-05-09 08:40:55 -07:00

DMA-API.txt

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DMA-attributes.txt

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DMA-ISA-LPC.txt

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docutils.conf

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dontdiff

Merge tag 'docs-5.2' of git://git.lwn.net/linux

2019-05-08 12:42:50 -07:00

efi-stub.txt

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eisa.txt

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futex-requeue-pi.txt

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gcc-plugins.txt

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highuid.txt

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hw_random.txt

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hwspinlock.txt

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index.rst

Merge tag 'docs-5.2a' of git://git.lwn.net/linux

2019-05-10 13:24:53 -04:00

intel_txt.txt

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Intel-IOMMU.txt

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io_ordering.txt

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io-mapping.txt

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iostats.txt

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IPMI.txt

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IRQ-affinity.txt

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IRQ-domain.txt

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IRQ.txt

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irqflags-tracing.txt

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isa.txt

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isapnp.txt

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kernel-per-CPU-kthreads.txt

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kobject.txt

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kprobes.txt

Merge branch 'parisc-5.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux

2019-05-07 19:34:17 -07:00

kref.txt

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ldm.txt

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lockup-watchdogs.txt

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logo.gif

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logo.txt

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lsm.txt

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lzo.txt

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mailbox.txt

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Makefile

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memory-barriers.txt

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men-chameleon-bus.txt

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nommu-mmap.txt

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ntb.txt

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numastat.txt

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packing.txt

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padata.txt

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parport-lowlevel.txt

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percpu-rw-semaphore.txt

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phy.txt

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pi-futex.txt

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pnp.txt

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preempt-locking.txt

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pwm.txt

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rbtree.txt

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remoteproc.txt

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rfkill.txt

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robust-futex-ABI.txt

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robust-futexes.txt

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rpmsg.txt

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rtc.txt

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SAK.txt

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sgi-ioc4.txt

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siphash.txt

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SM501.txt

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smsc_ece1099.txt

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speculation.txt

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static-keys.txt

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SubmittingPatches

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svga.txt

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switchtec.txt

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sync_file.txt

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tee.txt

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this_cpu_ops.txt

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unaligned-memory-access.txt

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vfio-mediated-device.txt

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vfio.txt

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video-output.txt

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xillybus.txt

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xz.txt

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zorro.txt

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