Specifically, how a swaping system determine which page should be swapped out when memory is tight? Intuitively, I think inode cache pages should be swapped out as late as possible. But how Linux mkae decision on this? Why linux does not pin inode pages in the memory? Thanks in advance for kind help! xin - To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html