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

Calculating dependencies ... done!
Dependency resolution took 0.98 s (backtrack: 0/20).

[ebuild  N     ] app-doc/linux-kernel-in-a-nutshell-1-r2::gentoo  4485 KiB

Total: 1 package (1 new), Size of downloads: 4485 KiB