Andrea Arcangeli wrote:
The main scary thing as far as I can tell, is the blocking lock_page. We
can't just do TryLockPage...
Hopefully that should be OK... it should not tend to get tripped up on read
because filemap_nopage needs to take the lock and wait in that case anyway.
Hopefully other lock_page users will be in the noise?
Another option might be a spinbit in page->flags but that seems like overkill.
--
SUSE Labs, Novell Inc.
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