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Searched refs:UFFDIO_COPY (Results 1 – 6 of 6) sorted by relevance

/Linux-v5.10/Documentation/admin-guide/mm/
Duserfaultfd.rst103 The primary ioctl to resolve userfaults is ``UFFDIO_COPY``. That
107 Other ioctl works similarly to ``UFFDIO_COPY``. They're atomic as in
115 the uffd. You must provide either ``UFFDIO_COPY`` or ``UFFDIO_ZEROPAGE``.
125 uffd. You can supply as many pages as you want with ``UFFDIO_COPY`` or
191 the QEMU running in the destination node runs ``UFFDIO_COPY|ZEROPAGE``
199 userfault was already resolved and waken by a ``UFFDIO_COPY|ZEROPAGE`` run
210 usual with the ``UFFDIO_COPY|ZEROPAGE`` (without actually knowing if it
223 postcopy thread just before ``UFFDIO_COPY|ZEROPAGE`` runs in the migration
273 ``UFFDIO_COPY`` on the unmapped area.
279 carefully synchronize calls to ``UFFDIO_COPY`` with the events
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/Linux-v5.10/include/uapi/linux/
Duserfaultfd.h70 #define UFFDIO_COPY _IOWR(UFFDIO, _UFFDIO_COPY, \ macro
/Linux-v5.10/tools/testing/selftests/powerpc/tm/
Dtm-signal-pagefault.c130 if (ioctl(uffd, UFFDIO_COPY, &uffdio_copy) == -1) { in fault_handler_thread()
/Linux-v5.10/tools/testing/selftests/kvm/
Ddemand_paging_test.c92 r = ioctl(uffd, UFFDIO_COPY, &copy); in handle_uffd_page_request()
/Linux-v5.10/tools/testing/selftests/vm/
Duserfaultfd.c481 if (ioctl(ufd, UFFDIO_COPY, uffdio_copy)) { in retry_copy_page()
510 if (ioctl(ufd, UFFDIO_COPY, &uffdio_copy)) { in __copy_page()
/Linux-v5.10/fs/
Duserfaultfd.c1893 case UFFDIO_COPY: in userfaultfd_ioctl()