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Memory mapped I/O actually prevents the use of huge pages if the backing storage is an actual disk. See https://lwn.net/Articles/718102/ https://lwn.net/Article
by jzwinck 8y ago
Memory mapped I/O actually prevents the use of huge pages if the backing storage is an actual disk. See https://lwn.net/Articles/718102/ https://lwn.net/Articles/718102/
Do you know of a way around that, aside from building your own patched kernel?
- gok 8y agoYeah you need to move your files to tmpfs, but I still consider that easier than dealing with making it happen with malloc+read