Re: [patch 3/3] mm: fault handler to replace nopage and populate

Ingo Oeser
2006-10-14T13:29:04Z

Hi Nick,

On Thursday, 12. October 2006 14:07, Nick Piggin wrote:
> Actually, filemap_xip needs some attention I think... if xip files
> can be truncated or invalidated (I assume they can), then we need to
> lock the page, validate that it is the correct one and not truncated,
> and return with it locked.

???

Isn't XIP for "eXecuting In Place" from ROM or FLASH?
How to truncate these? I thought the whole idea of
XIP was a pure RO mapping?

They should be valid from mount to umount.

Regards

Ingo Oeser, a bit puzzled about that...