Re: [PATCH V2 1/3] x86/numa_emulation: fix potential memory leak

From: Borislav Petkov
Date: Tue Jun 27 2017 - 14:12:21 EST


On Tue, Jun 27, 2017 at 07:11:27AM +0800, Wei Yang wrote:
> It means numa emulation is not properly configured.

Or what the error message says: it cannot determine the default physical
node because NUMA emulation is not properly configured. What I'm trying
to say, is, explain the *why* in the commit message, not the *what*. The
*what* one can see in the code.

> Well, to this particular piece, have a for loop within a function doesn't look
> like a big deal to me. So you prefer to take every for loop in this function
> out?

As I said, I'd prefer you take this loop out and turn it into a separate
function in one go, along with fixing the potential memory leak.

> Last but not the least, these are two issues:
>
> The problem this patch wants to address is the memory leak, while the concern
> here you mentioned is the coding style.

Let's not get too pedantic here: if you carve it out in a separate
function, it is still clear what the patch is doing.

--
Regards/Gruss,
Boris.

Good mailing practices for 400: avoid top-posting and trim the reply.