函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\khugepaged.c Create Date:2022-07-27 17:40:29
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：__khugepaged_exit

函数原型：void __khugepaged_exit(struct mm_struct *mm)

返回类型：void

参数：

类型参数名称
struct mm_struct *mm
487  free等于0
489  加自旋锁
490  mm_slot等于get_mm_slot(mm)
491  如果mm_slot且mm_slot不等于mm_slot则
492  从哈希表移除对象
493  删除链表项
494  free等于1
496  自旋锁解锁
498  如果free则
499  lear_bit - Clears a bit in memory*@nr: Bit to clear*@addr: Address to start counting from* This is a relaxed atomic operation (no implied memory barriers).
500  free_mm_slot(mm_slot)
501  mmdrop(mm)
502  否则如果mm_slot则
511  lock for writing
512  lease a write lock