| Date | Sat, 5 Apr 2003 17:58:24 -0800 | From | Andrew Morton <> | Subject | Re: objrmap and vmtruncate |
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Andrea Arcangeli <andrea@suse.de> wrote: > > Esepcially those sigbus in the current api > would be more expensive than the regular paging internal to the VM and > besides the signal it would generate flood of syscalls and kind of > duplication of memory management inside the userspace.
That went away. We now encode the file offset in the unmapped ptes, so the kernel's fault handler can transparently reestablish the page.
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