Messages in this thread | | | From | KOSAKI Motohiro <> | Subject | Re: [RFC] mlock: release mmap_sem every 256 faulted pages | Date | Wed, 24 Nov 2010 08:57:56 +0900 (JST) |
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> > A more compelling description of why this problem needs addressing > > would help things along. > > Oh my. It's probably not too useful for desktops, where such large > mlocks are hopefully uncommon. > > At google we have many applications that serve data from memory and > don't want to allow for disk latencies. Some of the simpler ones use > mlock (though there are other ways - anon memory running with swap > disabled is a surprisingly popular choice). > > Kosaki is also showing interest in mlock, though I'm not sure what his > use case is.
I don't have any solid use case. Usually server app only do mlock anonymous memory. But, I haven't found any negative effect in your proposal, therefore I hope to help your effort as I always do when the proposal don't have negative impact.
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