@Martin There is a pref (dom.ipc.processCount.webLargeAllocation - default
2) which controls the maximum number of processes which may be allocated to
Large-Allocation processes. Any requests past that number
(firefox-globally) will not cause new processes to be created.

@Chris the Large-Allocation header acts as a hint. Currently I intend to
use dedicated processes on 64-bit as well as 32-bit, as there are some
minor differences in behavior due to there being multiple content processes
when loaded in the Large-Allocation process. In order to ensure that people
who are developing games don't run into these issues, I want to make them
(who will have 64-bit machines most likely) run into these issues before
reaching production. In the future, when we are shipping e10s-multi, we can
consider ignoring the large allocation hint on 64-bit architectures, as
there will be a much much lower chance of multiple content process only
differences affecting the program.

On Wed, Jan 18, 2017 at 4:03 PM, Martin Thomson <m...@mozilla.com> wrote:

> On Thu, Jan 19, 2017 at 9:21 AM, Michael Layzell
> <mich...@thelayzells.com> wrote:
> > Security & Privacy Concerns: none
>
> I doubt that this is true.  You have provided a way for sites to gain
> a whole process to themselves, on request.  Denial of service seems
> like something that would need to be considered if you intend to ship
> this.
>
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