[Webkit-unassigned] [Bug 31943] New: Apply workaround for the limitation of VirtualFree with MEM_RELEASE to all ports running on Windows

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=31943

           Summary: Apply workaround for the limitation of VirtualFree
                    with MEM_RELEASE to all ports running on Windows
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: laszlo.1.gombos at nokia.com


This patch is related to commit r47159
(http://trac.webkit.org/changeset/47159). 

On windows we cannot release a part of a region with VirtualFree.  To get
around this we'll release the entire region and reallocate the size that we
want. 

This needs to be done for all ports running on Windows (Gtk, Qt, Wx, etc) not
just for PLATFORM(WIN). PLATFORM(WIN) guard should be changed to
PLATFORM(WIN_OS).

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