Messages in this thread |  | | Date | Fri, 5 Jan 2001 14:30:41 -0200 (BRST) | From | Marcelo Tosatti <> | Subject | swapin readahead pre-patch |
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Hi,
As I've told before, swapin readahead code is done at a physical basis, and the correct thing is to swapin readahead only if the physical on-swap pages are virtually contiguous wrt the one which suffered the fault and is being swapped in.
The following patch does this, and it also changes the readahead code to readaround. I'm not sure if readaround is better than readahead for the swapin case, and I'll have to test this more to make sure.
The code is not yet ready, but I'm posting the patch this way so people can comment and test it.
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