[Webkit-unassigned] [Bug 159442] New: We should have different reserved zone sizes for JS and host code.

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Tue Jul 5 16:06:22 PDT 2016


https://bugs.webkit.org/show_bug.cgi?id=159442

            Bug ID: 159442
           Summary: We should have different reserved zone sizes for JS
                    and host code.
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Local Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: mark.lam at apple.com

There should be 2 separate reserved zone sizes for JS and host code (we currently only have one reserved zone size for both), and the JS code reserved zone size needs to be larger than the host code reserved zone size.  For example, the JS reserved zone size needs to be large enough to provide sufficient CPU stack capacity for the max recursion taken by the parser to recurse when parsing any builtin.  In contrast, the host code reserved zone size only needs to be large enough for one recursion entry into the parser.

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