[Webkit-unassigned] [Bug 144931] New: If JSC cannot get executable memory, it shouldn't call madvise

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=144931

            Bug ID: 144931
           Summary: If JSC cannot get executable memory, it shouldn't call
                    madvise
    Classification: Unclassified
           Product: WebKit
           Version: 528+ (Nightly build)
          Hardware: All
                OS: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: msaboff at apple.com

If the mmap in OSAllocator::reserveAndCommit() fails, we shouldn't madvise(0, ...) in OSAllocator::reserveUncommitted().  This will likely adversely affect the application.

rdar://problem/19611967
rdar://problem/20733907

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