On 09/10, Chen Gang wrote:
>
> On 9/10/15 00:26, Oleg Nesterov wrote:
> >
> > The implementation looks correct. Why do you think it can be not 1st vma?
> >
>
> It is in while (rb_node) {...}.
>
> - When we set "vma = tmp", it is alreay match "addr < vm_end".Yes, > - If "addr>= vm_start", we return this vma (else continue searching). This is optimization, we can stop the search because in this case vma == tmp is obviously the 1st vma with "addr < vm_end". I simply can't understand your concerns. Perhaps you can make a patch, then it will be more clear what me-or-you have missed. Oleg. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
