[Webkit-unassigned] [Bug 38154] New: REGRESSION: after 56028 FastMalloc calls madvise too often

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=38154

           Summary: REGRESSION: after 56028 FastMalloc calls madvise too
                    often
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Mac OS X 10.5
            Status: NEW
          Keywords: InRadar
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: slewis at apple.com


<rdar://problem/7834433> REGRESSSION: 1.5% PLT regression due to 56028 (return
memory quicker).  
        To save on madvise calls when recommitting memory recommit the entire
chosen span and then carve the span
        instead of carving the span up and only committing the part that will
be used immediately.

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