I think I've found two memory leaks in miext/damage. I was put on this trail by the fact that when I turned on xcompmgr and let my screensaver run overnight, I would come back to a login screen after the OOM killer had fingered xorg. Patch attached.
Created attachment 3498 [details] [review] fix two leaks in damage, I think.
Found a few more, convinced myself they were correct, and committed.
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