webgl - Android GL memory in heap -

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when run "adb shell dumpsys meminfo " on nexus 5 running lollipop im seeing huge amount of memory getting used in private dirty pss of 'gl' app webview based app, not running webgl/opengl . after few minutes clicking around in app crash, on nexus 5 running lollipop, no log messages indicating happened. suspect oom error happening cause gl memory in heap im not sure why happening, , why other devices run app without problem. question why heap large on device , can empty heap space?

the gl heap space gets 177116 , total pss 539058


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