On Fri, May 30, 2014 at 8:52 AM, H. Peter Anvin <hpa@xxxxxxxxx> 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, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>