Ryan Lortie's au courant analysis of Gtk memory consumption places plenty of blame on Pango. I am pleased to see the heightened level of VM-savvy in memory debates. Gone are the days of wholesale comparisons of VM footprint; we now grok RSS versus not, writable versus read-only, private versus shared. Tools such as pmap(1) deserve much of the credit. In OpenSUSE, by the by, our pmap uses smaps to display per-mapping RSS, too.