函数逻辑报告

函数名称：vmf_insert_pfn - insert single pfn into user vma*@vma: user vma to map to*@addr: target user address of this page*@pfn: source kernel pfn* Similar to vm_insert_page, this allows drivers to insert individual pages* they've allocated into a user vma

函数原型：vm_fault_t vmf_insert_pfn(struct vm_area_struct *vma, unsigned long addr, unsigned long pfn)

返回类型：vm_fault_t

参数：