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On Saturday 24 August 2002 05:46, Rik van Riel wrote: > On Sat, 24 Aug 2002, Daniel Phillips wrote: > > On Thursday 22 August 2002 19:32, Alan Cox wrote: > > > 3 is a totally paranoid [overcommit policy] that will require everything in > > > ram can be dumped to swap or paged back from backing store > > > > How do you handle the situation where you have a lot of shared memory in a > > half-paged-out state, so that each shared page consumes both ram and swap? > > That will work fine with 'totally paranoid' mode. There is always > enough swap space to hold _all_ pages, so everything will just > continue to work. Apparently, maximum available memory is limited to physical memory + (swap - physical memory) = just swap in this case, and if swap is smaller than (the potentially swappable portion of) physical memory you might as well just turn it off. -- Daniel - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | |||||||||
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