process_mrelease() after SIGKILL

[hakavlad]

https://lwn.net/Articles/864184/

feature request: call process_mrelease() (added in Linux 5.15) after sending the SIGKILL signal.

[rfjakob]

Oh, nice!

BTW this the commit: torvalds/linux@884a7e5964e0

$ git describe --contains 884a7e5964e0
v5.15-rc1~107^2~14