NFSD: refactoring courtesy_client_reaper to a generic low memory shrinker

Refactoring courtesy_client_reaper to generic low memory
shrinker so it can be used for other purposes.

Signed-off-by: Dai Ngo <dai.ngo@oracle.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This commit is contained in:
Dai Ngo 2022-11-16 19:44:45 -08:00 • committed by Chuck Lever
commit a1049eb47f