[Webkit-unassigned] [Bug 65766] [GTK] OSAllocator::reserveUncommitted should not commit physical memory

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Mon Sep 17 13:43:55 PDT 2012


https://bugs.webkit.org/show_bug.cgi?id=65766





--- Comment #18 from Gavin Barraclough <barraclough at apple.com>  2012-09-17 13:44:23 PST ---
(In reply to comment #17)
> That said, I think it would be reasonable for us to still support PROT_NONE + MAP_NORESERVE mappings just for the purpose of reserving an (inaccessible) region of virtual memory that doesn't count against the process's used memory limit and with the guarantee that mmap() won't try to reuse that memory later unless explicitly requested to (i.e., with MAP_FIXED).  Is that adequate for WebKit's needs?

This sounds like it should work perfectly to me.

FYI you may want to move further discussion over to bug#61137!

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