These are the packages that would be merged, in order:

Calculating dependencies ... done!
Dependency resolution took 1.03 s (backtrack: 0/20).

[ebuild  N     ] virtual/linux-sources-3-r9::gentoo  USE="-firmware" 0 KiB
[ebuild  N     ] sys-kernel/dkms-3.4.4::gentoo  USE="(-systemd)" 150 KiB

Total: 2 packages (2 new), Size of downloads: 150 KiB