On Fri, 24 Oct 2014, Joonsoo Kim wrote: > In this case, object from cpu1's cpu_cache should be > different with cpu0's, so allocation would be failed. That is true for most object pointers unless the value is NULL. Which it can be. But if this is the only case then the second patch + your approach would work too. -- 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>