On Fri, May 30, 2014 at 8:52 AM, H. Peter Anvin <h...@zytor.com> wrote: >> >> That said, it's still likely a non-production option due to the page >> table games we'd have to play at fork/clone time. > > Still, seems much more tractable.
We might be able to make it more attractive by having a small front-end cache of the 16kB allocations with the second page unmapped. That would at least capture the common "lots of short-lived processes" case without having to do kernel page table work. Linus -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/