For standard run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:mkoutny:Kernel:stable:rwlock4/standard/home:mkoutny:Kernel:stable:rwlock4.repo
zypper refresh
zypper install kernel-docs
For PPC run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:mkoutny:Kernel:stable:rwlock4/PPC/home:mkoutny:Kernel:stable:rwlock4.repo
zypper refresh
zypper install kernel-docs
For LEGACYX86 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:mkoutny:Kernel:stable:rwlock4/LEGACYX86/home:mkoutny:Kernel:stable:rwlock4.repo
zypper refresh
zypper install kernel-docs
For ARM run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:mkoutny:Kernel:stable:rwlock4/ARM/home:mkoutny:Kernel:stable:rwlock4.repo
zypper refresh
zypper install kernel-docs