函数逻辑报告

函数名称：Called with mm->mmap_sem held for writing.* Insert a new vma covering the given region, with the given flags.* Its pages are supplied by the given array of struct page *.* The array can be shorter than len >> PAGE_SHIFT if it's null-terminated.

函数原型：struct vm_area_struct *_install_special_mapping(struct mm_struct *mm, unsigned long addr, unsigned long len, unsigned long vm_flags, const struct vm_special_mapping *spec)

返回类型：struct vm_area_struct

参数：