Searched refs:UFFDIO_ZEROPAGE (Results 1 – 3 of 3) sorted by relevance
| /linux/include/uapi/linux/ |
| H A D | userfaultfd.h | 96 #define UFFDIO_ZEROPAGE _IOWR(UFFDIO, _UFFDIO_ZEROPAGE, \ macro
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| /linux/tools/testing/selftests/mm/ |
| H A D | uffd-unit-tests.c | 856 if (ioctl(gopts->uffd, UFFDIO_ZEROPAGE, uffdio_zeropage)) { in uffd_events_test_common()
858 err("UFFDIO_ZEROPAGE error: %"PRId64, in uffd_events_test_common()
861 err("UFFDIO_ZEROPAGE error: %"PRId64, in uffd_events_test()
875 ret = ioctl(gopts->uffd, UFFDIO_ZEROPAGE, &uffdio_zeropage); in retry_uffdio_zeropage()
880 err("UFFDIO_ZEROPAGE error: %"PRId64, (int64_t)res); in retry_uffdio_zeropage()
882 err("UFFDIO_ZEROPAGE not -EINVAL"); in retry_uffdio_zeropage()
885 err("UFFDIO_ZEROPAGE unexpected size"); in retry_uffdio_zeropage()
890 err("UFFDIO_ZEROPAGE succeeded"); in do_uffdio_zeropage()
897 * if UFFDIO_ZEROPAGE supported, false otherwise. Can't use uffd_register() in do_uffdio_zeropage()
912 /* exercise UFFDIO_ZEROPAGE */ in do_uffdio_zeropage()
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| /linux/Documentation/admin-guide/mm/ |
| H A D | userfaultfd.rst | 148 - ``UFFDIO_ZEROPAGE`` atomically zeros the new page.
165 the zero page (``UFFDIO_ZEROPAGE``). By default, the kernel would map
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