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SubjectRe : vm: weird behaviour when munmapping
Peter Zijlstra wrote:
> Chapter 15. Section 'Virtual Memory Areas'.
> Basically; vm_ops->open() is not called on the first vma. With this
> munmap() you split the area in two, and it so happens the new vma is the
> lower one.

since I did "munmap(0x2aaae000, 1024)" I would say that the the new vma
is the _upper_ one.

lower vma: 0x2aaae000 -> 0x2aaaf000
upper vma: 0x2aaaf000 -> 0x2aab2000


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