Messages in this thread | | | Date | Wed, 13 Jan 1999 13:58:01 +0000 (GMT) | From | Chris Evans <> | Subject | Re: MM deadlock [was: Re: arca-vm-8...] |
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On Wed, 13 Jan 1999, Andrea Arcangeli wrote:
> On Tue, 12 Jan 1999, Rik van Riel wrote: > > > IIRC this facility was in the original swapin readahead > > implementation. That only leaves the question who removed > > it and why :)) > > There's another thing I completly disagree and that I just removed here. > It's the alignment of the offset field. I see no one point in going back > instead of only doing real read_ahead_. > > Maybe I am missing something?
Yes. Imagine the paging in of big binary case. The page faults will occur all over the place, not in a nice sequential order. The page-in clusters stuff _doubled_ performance of paging in certain big static binaries.
Chris
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