Messages in this thread | | | Date | Wed, 11 Jan 2006 20:39:23 +1100 | From | Nick Piggin <> | Subject | Re: smp race fix between invalidate_inode_pages* and do_no_page |
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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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