On Tue, May 25, 2010 at 06:53:04PM +1000, Dave Chinner wrote: > From: Dave Chinner <dchinner@xxxxxxxxxx> > > The inode unused list is currently a global LRU. This does not match > the other global filesystem cache - the dentry cache - which uses > per-superblock LRU lists. Hence we have related filesystem object > types using different LRU reclaimatin schemes. Is this an improvement I wonder? The dcache is using per sb lists because it specifically requires sb traversal. What allocation/reclaim really wants (for good scalability and NUMA characteristics) is per-zone lists for these things. It's easy to convert a single list into per-zone lists. It is much harder to convert per-sb lists into per-sb x per-zone lists. -- 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>