On Mon, 22 Oct 2012, Glauber Costa wrote: > Right now, slab and slub have fields in struct page to derive which > cache a page belongs to, but they do it slightly differently. > > slab uses a field called slab_cache, that lives in the third double > word. slub, uses a field called "slab", living outside of the > doublewords area. > > Ideally, we could use the same field for this. Since slub heavily makes > use of the doubleword region, there isn't really much room to move > slub's slab_cache field around. Since slab does not have such strict > placement restrictions, we can move it outside the doubleword area. > > The naming used by slab, "slab_cache", is less confusing, and it is > preferred over slub's generic "slab". > > Signed-off-by: Glauber Costa <glommer@xxxxxxxxxxxxx> > CC: Christoph Lameter <cl@xxxxxxxxx> > CC: Pekka Enberg <penberg@xxxxxxxxxx> > CC: David Rientjes <rientjes@xxxxxxxxxx> Applied, thanks! -- 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/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>