On Thu, 22 Sep 2016, zijun_hu wrote: > > We don't support inserting when va->va_start == tmp_va->va_end, plain and > > simple. There's no reason to do so. NACK to the patch. > > > i am sorry i disagree with you because > 1) in almost all context of vmalloc, original logic treat the special case as > normal > for example, __find_vmap_area() or alloc_vmap_area()
The ranges are [start, end) like everywhere else. __find_vmap_area() is implemented as such for the passed address. The address is aligned in alloc_vmap_area(), there's no surprise here. The logic is correct in __insert_vmap_area().
