On Fri, 19 Feb 2010, Mel Gorman wrote: > > Nitpick: > > I think this refcnt has something different characteristics than other > > usual refcnts. Even when refcnt goes down to 0, anon_vma will not be freed. > > So, I think some kind of name as temporal_reference_count is better than > > simple "refcnt". Then, it will be clearer what this refcnt is for. > > > > When I read this in a few years, I'll have no idea what "temporal" is > referring to. The holder of this account is by a process that does not > necessarily own the page or its mappings but "remote" has special > meaning as well. "external_count" ? We could think about getting rid of RCU for anon_vmas and use the refcount for everything. Would make the handling consistent with other users but will have performance implications. Hugh what do you say about this? -- 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>