Function report |
Source Code:fs\userfaultfd.c |
Create Date:2022-07-28 20:20:32 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
home page | Tree |
Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:userfault_msg
Proto:static inline struct uffd_msg userfault_msg(unsigned long address, unsigned int flags, unsigned long reason, unsigned int features)
Type:struct uffd_msg
Parameter:
Type | Parameter | Name |
---|---|---|
unsigned long | address | |
unsigned int | flags | |
unsigned long | reason | |
unsigned int | features |
199 | If flags & Fault was a write access Then flags |= If this was a write fault |
208 | If reason & wrprotect pages tracking Then flags |= If reason is VM_UFFD_WP |
217 | If features & UFFD_FEATURE_THREAD_ID Then ptid = task_pid_vnr(current process) |
219 | Return msg |
Name | Describe |
---|---|
handle_userfault | The locking rules involved in returning VM_FAULT_RETRY depending on* FAULT_FLAG_ALLOW_RETRY, FAULT_FLAG_RETRY_NOWAIT and* FAULT_FLAG_KILLABLE are not straightforward |
Source code conversion tool public plug-in interface | X |
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