On Thu, 22 Jun 2000, Rik van Riel wrote:
>*nod* Then again, if we're in serious overload situation we
>will just *have* to wait somewhere. There is no possibility
>to just get some memory in a magic way.
The balance_dirty() mechanims make sure that half of the cache+free_memory
remains clean. Thus we could block there even if there's something clean
in the next entry of the LRU. I think instead of blocking there we could
try to let know balance_dirty that the amount of dirty stuff in the system
should decrease because there's memory pressure and we need to reclaim
also half of such cache _fast_.
Andrea
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