[webkit-dev] WTF::fastMalloc

[Maciej Stachowiak]

On Oct 2, 2013, at 2:41 AM, Andy Wingo <wingo at igalia.com> wrote:

> 
>> We need somebody to resolve these issues, otherwise our memory
>> footprint will be unacceptably high, and/or our VM operations will be
>> unacceptably slow.
> 
> There is no memory footprint problem caused by mmap here -- to my
> knowledge.  I don't know how to profile the VM overhead, though.

It's easy to fix the VM overhead by unmapping the extra at either end, if running out of address space is a real risk.

 - Maciej