On Mon, 22 Feb 2010, Nick Piggin wrote: > If you have a concurrent reader without any synchronisation, then what > stops it from loading a word of the mask before stores to add the new > nodes and then loading another word of the mask after the stores to > remove the old nodes? (which can give an empty mask). > Currently nothing, so we'll need a variant for configurations where the size of nodemask_t is larger than we can atomically store. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>