Searched refs:uffdio_zeropage (Results 1 – 3 of 3) sorted by relevance
| /Linux-v4.19/tools/testing/selftests/vm/ |
| D | userfaultfd.c | 778 struct uffdio_zeropage *uffdio_zeropage, in retry_uffdio_zeropage() argument
781 uffd_test_ops->alias_mapping(&uffdio_zeropage->range.start, in retry_uffdio_zeropage()
782 uffdio_zeropage->range.len, in retry_uffdio_zeropage()
784 if (ioctl(ufd, UFFDIO_ZEROPAGE, uffdio_zeropage)) { in retry_uffdio_zeropage()
785 if (uffdio_zeropage->zeropage != -EEXIST) in retry_uffdio_zeropage()
787 uffdio_zeropage->zeropage), exit(1); in retry_uffdio_zeropage()
790 uffdio_zeropage->zeropage), exit(1); in retry_uffdio_zeropage()
796 struct uffdio_zeropage uffdio_zeropage; in __uffdio_zeropage() local
805 uffdio_zeropage.range.start = (unsigned long) area_dst + offset; in __uffdio_zeropage()
806 uffdio_zeropage.range.len = page_size; in __uffdio_zeropage()
[all …]
|
| /Linux-v4.19/include/uapi/linux/ |
| D | userfaultfd.h | 70 struct uffdio_zeropage)
222 struct uffdio_zeropage { struct
|
| /Linux-v4.19/fs/ |
| D | userfaultfd.c | 1716 struct uffdio_zeropage uffdio_zeropage; in userfaultfd_zeropage() local
1717 struct uffdio_zeropage __user *user_uffdio_zeropage; in userfaultfd_zeropage()
1720 user_uffdio_zeropage = (struct uffdio_zeropage __user *) arg; in userfaultfd_zeropage()
1727 if (copy_from_user(&uffdio_zeropage, user_uffdio_zeropage, in userfaultfd_zeropage()
1729 sizeof(uffdio_zeropage)-sizeof(__s64))) in userfaultfd_zeropage()
1732 ret = validate_range(ctx->mm, uffdio_zeropage.range.start, in userfaultfd_zeropage()
1733 uffdio_zeropage.range.len); in userfaultfd_zeropage()
1737 if (uffdio_zeropage.mode & ~UFFDIO_ZEROPAGE_MODE_DONTWAKE) in userfaultfd_zeropage()
1741 ret = mfill_zeropage(ctx->mm, uffdio_zeropage.range.start, in userfaultfd_zeropage()
1742 uffdio_zeropage.range.len, in userfaultfd_zeropage()
[all …]
|
