函数逻辑报告

函数名称：wp_clean_pre_vma - The pagewalk pre_vma callback.* The pre_vma callback performs the cache flush, stages the tlb flush* and calls the necessary mmu notifiers.

函数原型：static int wp_clean_pre_vma(unsigned long start, unsigned long end, struct mm_walk *walk)

返回类型：int

参数：