Description: memcg: charge semaphores and sem_undo objects
References:
 https://lore.kernel.org/linux-mm/1626333284-1404-1-git-send-email-nglaive@gmail.com/
 https://bugzilla.redhat.com/show_bug.cgi?id=1999675
Notes:
Bugs:
upstream: released (5.15-rc1) [18319498fdd4cdf8c1c2c48cd432863b1f915d6f]
6.1-upstream-stable: N/A "Fixed before branch point"
5.10-upstream-stable: released (5.10.154) [836686e1a01d7e2fda6a5a18252243ff30a6e196]
4.19-upstream-stable: needed
4.9-upstream-stable: ignored "EOL"
sid: released (5.15.3-1)
6.1-bookworm-security: N/A "Fixed before branch point"
5.10-bullseye-security: released (5.10.158-1)
4.19-buster-security: needed
4.9-stretch-security: ignored "EOL"