Bug 248301

Summary:	Reduce memory usage when sending SharedBuffer across IPC
Product:	WebKit	Reporter:	Jean-Yves Avenard [:jya] <jean-yves.avenard>
Component:	WebKit2	Assignee:	Jean-Yves Avenard [:jya] <jean-yves.avenard>
Status:	RESOLVED FIXED
Severity:	Normal	CC:	kkinnunen, webkit-bug-importer
Priority:	P2	Keywords:	InRadar
Version:	Other
Hardware:	Unspecified
OS:	Unspecified

Description Jean-Yves Avenard [:jya] 2022-11-23 23:13:35 PST

Currently, whenever we send a SharedBuffer across IPC we allocate a new SharedMemory.

We can reduce that memory usage by packing SharedBuffer content into the same SharedMemory where possible.

Comment 1 Jean-Yves Avenard [:jya] 2022-11-23 23:14:28 PST

rdar://102201837

Comment 2 Jean-Yves Avenard [:jya] 2022-11-24 00:31:41 PST

Pull request: https://github.com/WebKit/WebKit/pull/6780

Comment 3 EWS 2022-11-24 15:15:30 PST

Committed 256999@main (80bf5c2acfbc): <https://commits.webkit.org/256999@main>

Reviewed commits have been landed. Closing PR #6780 and removing active labels.