PR sync from: felix fuzhen5@huawei.com
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/472G3ZF5VLEO7VTFWUDLQK6CCTXQSR2V/
From: Felix Fu fuzhen5@huawei.com

OLK-6.6 cred backport for kabi reserve

Elena Reshetova (1):
groups: Convert group_info.usage to refcount_t

Jens Axboe (2):
cred: switch to using atomic_long_t
cred: get rid of CONFIG_DEBUG_CREDENTIALS

Mateusz Guzik (1):
cred: add get_cred_many and put_cred_many

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2.34.1