[Webkit-unassigned] [Bug 254060] New: discard IPC buffer pages when idle

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=254060

            Bug ID: 254060
           Summary: discard IPC buffer pages when idle
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit Process Model
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: heycam at apple.com

Particularly for background tabs, we don't need to keep dirty pages filled with old IPC messages around.  We could recreate the SharedMemory and send the new copy over to the GPU process, but it seems easier to do cause the existing pages to lose their contents instead.

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