diff options
| -rw-r--r-- | man2/userfaultfd.2 | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/man2/userfaultfd.2 b/man2/userfaultfd.2 index 9b5ec03585..0c0a4f6871 100644 --- a/man2/userfaultfd.2 +++ b/man2/userfaultfd.2 @@ -62,11 +62,11 @@ flag in .BR open (2). .TP .B UFFD_USER_MODE_ONLY -This is an userfaultfd specific flag that was introduced since Linux 5.11. -When set, the userfaultfd object will only be able to handle page faults -originated from the userspace on the registered regions. -When a kernel originated fault was triggered on the registered range with -this userfaultfd, a +This is an userfaultfd-specific flag that was introduced in Linux 5.11. +When set, the userfaultfd object will only be able to handle +page faults originated from the user space on the registered regions. +When a kernel-originated fault was triggered +on the registered range with this userfaultfd, a .B SIGBUS signal will be delivered. .PP @@ -277,8 +277,9 @@ ioctl against the feature bit .B UFFD_FEATURE_PAGEFAULT_FLAG_WP before using this feature. .PP -Since Linux 5.19, the write-protection mode was also supported on shmem and hugetlbfs -memory types. +Since Linux 5.19, +the write-protection mode was also supported on +shmem and hugetlbfs memory types. It can be detected with the feature bit .BR UFFD_FEATURE_WP_HUGETLBFS_SHMEM . .PP |