locking/mutex: Add killable flavor to guard definitions

The mutex guard family defines _try and _intr variants but is missing
the killable one.

Signed-off-by: Davidlohr Bueso <dave@stgolabs.net>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://patch.msgid.link/20260217191512.1180151-4-dave@stgolabs.net
This commit is contained in:
Davidlohr Bueso 2026-02-17 11:15:12 -08:00 • committed by Peter Zijlstra
commit 50214dc438