is_mergeable_anon

函数名称：is_mergeable_anon_vma

函数原型：static inline int is_mergeable_anon_vma(struct anon_vma *anon_vma1, struct anon_vma *anon_vma2, struct vm_area_struct *vma)

返回类型：int

参数：

**调用者**
名称	描述
can_vma_merge_before	Return true if we can merge this (vm_flags,anon_vma,file,vm_pgoff)* in front of (at a lower virtual address and file offset than) the vma.* We cannot merge two vmas if they have differently assigned (non-NULL)
can_vma_merge_after	Return true if we can merge this (vm_flags,anon_vma,file,vm_pgoff)* beyond (at a higher virtual address and file offset than) the vma.* We cannot merge two vmas if they have differently assigned (non-NULL)
vma_merge	Given a mapping request (addr,end,vm_flags,file,pgoff), figure out* whether that can be merged with its predecessor or its successor

函数逻辑报告