[linux-mm-cc] Re: Announce: Compressed cache alpha-007 (kernel 2.6.18)

[Nitin Gupta]

Peter Zijlstra wrote:
> On Wed, 2006-09-20 at 18:23 +0530, Nitin Gupta wrote:
> 
>>> Don't like the bit_spin_trylock/bit_spin_unlock in handle_ccache_fault;
>>> what's wrong with TestSetPageLocked() and unlock_page() ?
>>>
>> If (PageCompressed(page)) is true then 'page' is 'struct chunk_head'
>> not 'struct page' and you cannot use unlock_page() on chunk_head.
> 
> ClearPageLocked()
> 

But then how will you do equivalent of wait_on_chunk_head() ?

-- Nitin