On Fri, 7 Dec 2007, Linus Torvalds wrote: > The biggest cost of __slab_alloc() in my profile is the "slab_lock()", but > that may not be the one that causes problems in a 64-cpu setup, so it > would be good to have that verified.
Hmmmm.. This would indicate lock contention on a slab. > [ The whole node match thing is likely totally bogus. I suspect we pay > *more* in trying to match nodes than we'd ever likely pay in just > returning the wrong node for an allocation, but that's neither here nor > there ] Node match is necessary in order to make the allocator able to get memory for the node that the caller requested. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
