On Wed, Feb 21, 2018 at 12:04:03PM -0800, Andrew Morton wrote:
>
> I don't know this code and I'm all confused.
>
> - why is the code designed to accept addresses of "0"?
It was never designed to accept addresses of 0, it is rather
a side effect of using sscanf in first place.
The address priting is done via
len = snprintf(buf, sizeof(buf), "%lx-%lx", p->start, p->end);
> - how do we know that the first digit of a VMA address will never be 0?
It should not be, due to snprintf above.
---
Thanks a lot, Alexey!
Reviewed-by: Cyrill Gorcunov <[email protected]>