Re: patch for 2.1.102 swap code

Rik van Riel (H.H.vanRiel@phys.uu.nl)
Tue, 26 May 1998 23:46:35 +0200 (MET DST)


On Tue, 26 May 1998, Stephen C. Tweedie wrote:

> That's why read_swap_cache_async repeats the initial entry lookup after
> calling __get_free_page(). Unfortunately, I hadn't realised that
> swap_duplicate() had the error check against swap_map[entry]==0. Moving
> the swap_duplicate up to before the call to __get_free_page should avoid
> that case.

Hmm, could read_swap_cache_async() be used to implement swap
readahead?

Rik.
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