| Function report | 
| Source Code: kernel\locking\rwsem.c | Create Date:2022-07-28 09:48:30 | 
| Last Modify:2020-03-12 14:18:49 | Copyright©Brick | 
| home page | Tree | 
| Annotation kernel can get tool activity | Download SCCT | Chinese | 
Name:lock for writing
Proto:int __sched down_write_killable(struct rw_semaphore *sem)
Type:int
Parameter:
| Type | Parameter | Name | 
|---|---|---|
| struct rw_semaphore * | sem | 
| 1544 | might_sleep() | 
| 1545 | rwsem_acquire( & dep_map, 0, 0, _RET_IP_) | 
| 1547 | If LOCK_CONTENDED_RETURN(sem, __down_write_trylock, __down_write_killable) Then | 
| 1549 | rwsem_release( & dep_map, _RET_IP_) | 
| 1550 | Return -EINTR | 
| 1553 | Return 0 | 
| Name | Describe | 
|---|---|
| SYSCALL_DEFINE5 | |
| xol_add_vma | Slot allocation for XOL | 
| do_mlock | |
| SYSCALL_DEFINE2 | |
| SYSCALL_DEFINE1 | |
| sys_munlockall | |
| SYSCALL_DEFINE1 | |
| __vm_munmap | |
| SYSCALL_DEFINE5 | Emulation of deprecated remap_file_pages() syscall. | 
| vm_brk_flags | |
| do_mprotect_pkey | pkey==-1 when doing a legacy mprotect() | 
| SYSCALL_DEFINE5 | Expand (or shrink) an existing mapping, potentially moving it at the* same time (controlled by the MREMAP_MAYMOVE flag and available VM space)* MREMAP_FIXED option added 5-Dec-1999 by Benjamin LaHaise* This option implies MREMAP_MAYMOVE. | 
| SYSCALL_DEFINE3 | The madvise(2) system call | 
| ksys_shmdt | detach and kill segment if marked destroyed.* The work is done in shm_close. | 
| setup_arg_pages | Finalizes the stack vm_area_struct. The flags and permissions are updated,* the stack is optionally relocated, and some extra space is added. | 
| iterate_dir | |
| aio_setup_ring | |
| coredump_wait | 
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