Messages in this thread | | | Date | Fri, 18 Jul 2008 12:13:54 -0500 | From | Christoph Lameter <> | Subject | Re: [PATCH][RFC] slub: increasing order reduces memory usage of some key caches |
| |
Richard Kennedy wrote: > On Fri, 2008-07-18 at 09:55 -0500, Christoph Lameter wrote: >> OK that is now 4215 pages before and 4112 after the patch? Yawn.... So barely any effect? > > Well it's not huge but there's another 100+ pages out of radix_tree, > too. & I've not inspected the rest of the cache usage.
Can you post these numbers with the slabinfo for the radix tree as well? It may be that there are a lot of sparsely populated slab pages that waste memory.
| |