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Searched refs:uffdio_zeropage (Results 1 – 3 of 3) sorted by relevance

/linux/tools/testing/selftests/mm/
H A Duffd-unit-tests.c888 struct uffdio_zeropage *uffdio_zeropage) in retry_uffdio_zeropage() argument
890 uffd_test_ops->alias_mapping(&uffdio_zeropage->range.start, in retry_uffdio_zeropage()
891 uffdio_zeropage->range.len, in retry_uffdio_zeropage()
893 if (ioctl(ufd, UFFDIO_ZEROPAGE, uffdio_zeropage)) { in retry_uffdio_zeropage()
894 if (uffdio_zeropage->zeropage != -EEXIST) in retry_uffdio_zeropage()
896 (int64_t)uffdio_zeropage->zeropage); in retry_uffdio_zeropage()
899 (int64_t)uffdio_zeropage->zeropage); in retry_uffdio_zeropage()
905 struct uffdio_zeropage uffdio_zeropage = { 0 }; in do_uffdio_zeropage() local
909 uffdio_zeropage.range.start = (unsigned long) area_dst; in do_uffdio_zeropage()
910 uffdio_zeropage.range.len = page_size; in do_uffdio_zeropage()
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/linux/fs/
H A Duserfaultfd.c1638 struct uffdio_zeropage uffdio_zeropage; in userfaultfd_zeropage() local
1639 struct uffdio_zeropage __user *user_uffdio_zeropage; in userfaultfd_zeropage()
1642 user_uffdio_zeropage = (struct uffdio_zeropage __user *) arg; in userfaultfd_zeropage()
1649 if (copy_from_user(&uffdio_zeropage, user_uffdio_zeropage, in userfaultfd_zeropage()
1651 sizeof(uffdio_zeropage)-sizeof(__s64))) in userfaultfd_zeropage()
1654 ret = validate_range(ctx->mm, uffdio_zeropage.range.start, in userfaultfd_zeropage()
1655 uffdio_zeropage.range.len); in userfaultfd_zeropage()
1659 if (uffdio_zeropage.mode & ~UFFDIO_ZEROPAGE_MODE_DONTWAKE) in userfaultfd_zeropage()
1663 ret = mfill_atomic_zeropage(ctx, uffdio_zeropage in userfaultfd_zeropage()
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/linux/include/uapi/linux/
H A Duserfaultfd.h97 struct uffdio_zeropage)
296 struct uffdio_zeropage { struct