Bug 254060

Summary:	discard IPC buffer pages when idle
Product:	WebKit	Reporter:	Cameron McCormack (:heycam) <heycam>
Component:	WebKit Process Model	Assignee:	Nobody <webkit-unassigned>
Status:	NEW ---
Severity:	Normal	CC:	webkit-bug-importer
Priority:	P2	Keywords:	InRadar
Version:	WebKit Nightly Build
Hardware:	Unspecified
OS:	Unspecified

Description Cameron McCormack (:heycam) 2023-03-16 20:58:27 PDT

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.

Comment 1 Radar WebKit Bug Importer 2023-03-16 20:58:43 PDT

<rdar://problem/106841897>