[Webkit-unassigned] [Bug 46252] [Qt] [WebKit2] Shared memory design should be improved

Wed Sep 22 10:14:56 PDT 2010

https://bugs.webkit.org/show_bug.cgi?id=46252

--- Comment #2 from Kenneth Rohde Christiansen <kenneth at webkit.org>  2010-09-22 10:14:56 PST ---
(In reply to comment #1)
> We already have a platform independent shared memory implementation: QSharedMemory. I do not understand why we do not use that. I remember that Kenneth told me that it has some problems with releasing the allocated area.
> Please explain the arguments against QSharedMemory in more details.

1) It is limited to 2MB on mac and it is not something normal users are going to change
2) If an app crashes the shared memory is not freed, so we will have even less memory

What do you have against I/O mapped memory? The memory is never being written to disk/flushed and we do not have any limit.

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