On Wed, Dec 30, 2015 at 12:41 PM, Tejun Heo <tj@xxxxxxxxxx> wrote: > > Right, I was thinking alpha was doing rmw's for things smaller than > 64bit. That's 32bit, not 64. Right. Alpha has trouble only with 8-bit and 16-bit fields. 32-bit fields should be "atomic" on all architectures, modulo compiler bugs (and we've had those). 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>