Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\mmap.c Create Date:2022-07-28 14:50:40
Last Modify:2020-03-12 14:18:49 Copyright©Brick
home page Tree
Annotation kernel can get tool activityDownload SCCTChinese

Name:vm_unlock_mapping

Proto:static void vm_unlock_mapping(struct address_space *mapping)

Type:void

Parameter:

TypeParameterName
struct address_space *mapping
3590  If st_bit - Determine whether a bit is set*@nr: bit number to test*@addr: Address to start counting from Then
3595  i_mmap_unlock_write(mapping)
3596  If Not st_and_clear_bit - Clear a bit and return its old value*@nr: Bit to clear*@addr: Address to count from* This is an atomic fully-ordered operation (implied full memory barrier). Then BUG()
Caller
NameDescribe
mm_drop_all_locksThe mmap_sem cannot be released by the caller until* mm_drop_all_locks() returns.