本文共 1715 字，大约阅读时间需要 5 分钟。

void __kprobes do_page_fault(struct pt_regs *regs, unsigned long error_code)	fault = handle_mm_fault(mm, vma, address, write ? FAULT_FLAG_WRITE : 0);	=>int handle_mm_fault(struct mm_struct *mm, struct vm_area_struct *vma, unsigned long address, unsigned int flags)		return handle_pte_fault(mm, vma, address, pte, pmd, flags);		=>int handle_pte_fault(struct mm_struct *mm, struct vm_area_struct *vma, unsigned long address, pte_t *pte, pmd_t *pmd, unsigned int flags)			entry = *pte;			if (!pte_present(entry))				if (pte_none(entry)) 					if (vma->vm_ops) 						if (likely(vma->vm_ops->fault))							return do_linear_fault(mm, vma, address, pte, pmd, flags, entry);							=>int do_linear_fault(struct mm_struct *mm, struct vm_area_struct *vma, unsigned long address, pte_t *page_table, pmd_t *pmd, unsigned int flags, pte_t orig_pte)								pgoff_t pgoff = (((address & PAGE_MASK) - vma->vm_start) >> PAGE_SHIFT) + vma->vm_pgoff;								pte_unmap(page_table);								return __do_fault(mm, vma, address, pmd, pgoff, flags, orig_pte);								=>int __do_fault(struct mm_struct *mm, struct vm_area_struct *vma, unsigned long address, pmd_t *pmd, pgoff_t pgoff, unsigned int flags, pte_t orig_pte)									ret = vma->vm_ops->fault(vma, &vmf);									//struct vm_operations_struct generic_file_vm_ops = {										.fault		= filemap_fault,									};									=>int filemap_fault(struct vm_area_struct *vma, struct vm_fault *vmf)

linux页面缓存【笔记】

https://blog.csdn.net/xzongyuan/article/details/20369549

Linux内存映射（mmap）

http://www.cnblogs.com/lknlfy/archive/2012/04/27/2473804.html

Linux内核mmap机制

https://blog.csdn.net/ptonlix/article/details/79298575

由mmap引发的SIGBUS

https://blog.csdn.net/ctthuangcheng/article/details/8916015