> If 2 different user-mode processes executing on 2 CPUs under 2 different > users want to access the same shared memory through the One correction: This will happen even for different shared memory as the lock is global. This fact just increases the relevance of this patch, dont you think ? > shmctl(SHM_LOCK) / shmget(SHM_HUGETLB) / usr_shm_lock > primitives, they could compete/spin even though their user_structs > are different. > -- 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/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>