Re: [Qemu-devel] [PATCH 07/15] qapi: use mmap for QmpInputVisitor

[Paolo Bonzini]

On 30/06/2016 16:12, Markus Armbruster wrote:
> Implementing a stack as "big enough" array can be wasteful.
> Implementing it as dynamically allocated list is differently wasteful.
> Saving several mallocs and frees can be worth "wasting" a few pages of
> memory for a short time.

Most usage of QmpInputVisitor at startup comes from
object_property_set_qobject, which only sets small scalar objects.  The
stack is entirely unused in this case.

Paolo