On Wed, 6 Feb 2002, Andrew Morton wrote:
> I feel that presence on the lru list should contribute to
> page->count. It seems a bit weird and kludgy that this
> is not so.
>
> If we were to do this then would this not fix networking's
> problem? The skb free wouldn't release the page - it would
> be left on the LRU with ->count == 1 and kswapd would reap it.
Actually, at this point we _know_ page->list.{prev,next} are
NULL.
We can use this to add the pages to a special list, from where
__alloc_pages() and kswapd can move them to the free list, in
process context.
Rik
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This archive was generated by hypermail 2b29 : Thu Feb 07 2002 - 21:01:01 EST