[Webkit-unassigned] [Bug 42756] JIT requires VM overcommit (particularly on x86-64), Linux does not by default support this without swap?

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=42756





--- Comment #27 from Adrien Nader <camaradetux at gmail.com>  2011-01-12 14:05:36 PST ---
I haven't been able to provide a lot of feedback, mostly because of exams but what really leaves me wondering is that the JIT tries to get 4GB of memory. 4GB.

It might not use it but 4GB is simply too much.

What's actually the point? Do we really want that to happen? And why ask for that much if it's not going to be used?

IIRC that also happens without even using javascript. Why does the JIT allocate a huge amount of memory without even requiring any memory actually?

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