Searched refs:uffdio_zeropage (Results 1 – 3 of 3) sorted by relevance
| /Linux-v5.4/tools/testing/selftests/vm/ |
| D | userfaultfd.c | 798 struct uffdio_zeropage *uffdio_zeropage, in retry_uffdio_zeropage() argument
801 uffd_test_ops->alias_mapping(&uffdio_zeropage->range.start, in retry_uffdio_zeropage()
802 uffdio_zeropage->range.len, in retry_uffdio_zeropage()
804 if (ioctl(ufd, UFFDIO_ZEROPAGE, uffdio_zeropage)) { in retry_uffdio_zeropage()
805 if (uffdio_zeropage->zeropage != -EEXIST) in retry_uffdio_zeropage()
807 uffdio_zeropage->zeropage), exit(1); in retry_uffdio_zeropage()
810 uffdio_zeropage->zeropage), exit(1); in retry_uffdio_zeropage()
816 struct uffdio_zeropage uffdio_zeropage; in __uffdio_zeropage() local
825 uffdio_zeropage.range.start = (unsigned long) area_dst + offset; in __uffdio_zeropage()
826 uffdio_zeropage.range.len = page_size; in __uffdio_zeropage()
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| /Linux-v5.4/include/uapi/linux/ |
| D | userfaultfd.h | 70 struct uffdio_zeropage)
222 struct uffdio_zeropage { struct
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| /Linux-v5.4/fs/ |
| D | userfaultfd.c | 1761 struct uffdio_zeropage uffdio_zeropage; in userfaultfd_zeropage() local
1762 struct uffdio_zeropage __user *user_uffdio_zeropage; in userfaultfd_zeropage()
1765 user_uffdio_zeropage = (struct uffdio_zeropage __user *) arg; in userfaultfd_zeropage()
1772 if (copy_from_user(&uffdio_zeropage, user_uffdio_zeropage, in userfaultfd_zeropage()
1774 sizeof(uffdio_zeropage)-sizeof(__s64))) in userfaultfd_zeropage()
1777 ret = validate_range(ctx->mm, &uffdio_zeropage.range.start, in userfaultfd_zeropage()
1778 uffdio_zeropage.range.len); in userfaultfd_zeropage()
1782 if (uffdio_zeropage.mode & ~UFFDIO_ZEROPAGE_MODE_DONTWAKE) in userfaultfd_zeropage()
1786 ret = mfill_zeropage(ctx->mm, uffdio_zeropage.range.start, in userfaultfd_zeropage()
1787 uffdio_zeropage.range.len, in userfaultfd_zeropage()
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