[Webkit-unassigned] [Bug 129370] New: FastMalloc should use vm_page_shift intead of PAGE_SHIFT.

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Wed Feb 26 06:58:28 PST 2014


           Summary: FastMalloc should use vm_page_shift intead of
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Web Template Framework
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: barraclough at apple.com

Previously we used PAGE_SHIFT to initialize kPageShift. Since this was a constant, it could be used to calculate other contants used in the code. Some of these values are used in the definition of certain data structures (specifiying the length of some array members).

Make kPageShift & dependent properties variables setup during initialization. Add upper bound values (K_PAGE_SHIFT_MAX, K_NUM_CLASSES_MAX) for use in cases where we need a constant.

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