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Biederman) To: Alexey Gladkov Cc: Rune Kleveland , Yu Zhao , Jordan Glover , LKML , linux-mm@kvack.org, containers@lists.linux-foundation.org, Hillf Danton References: <1M9_d6wrcu6rdPe1ON0_k0lOxJMyyot3KAb1gdyuwzDPC777XVUWPHoTCEVmcK3fYfgu7sIo3PSaLe9KulUdm4TWVuqlbKyYGxRAjsf_Cpk=@protonmail.ch> <87ee9pa6xw.fsf@disp2133> <878rzw77i3.fsf@disp2133> <20210929173611.fo5traia77o63gpw@example.org> <20210930130640.wudkpmn3cmah2cjz@example.org> <878rz8wwb6.fsf@disp2133> <87v92cvhbf.fsf@disp2133> <87mtnavszx.fsf_-_@disp2133> <87fssytizw.fsf_-_@disp2133> <871r4itfjw.fsf_-_@disp2133> Date: Mon, 18 Oct 2021 12:54:35 -0500 In-Reply-To: <871r4itfjw.fsf_-_@disp2133> (Eric W. Biederman's message of "Mon, 18 Oct 2021 12:21:07 -0500") Message-ID: <877dearzfo.fsf_-_@disp2133> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-XM-SPF: eid=1mcWqo-004AnW-NK;;;mid=<877dearzfo.fsf_-_@disp2133>;;;hst=in01.mta.xmission.com;;;ip=68.227.160.95;;;frm=ebiederm@xmission.com;;;spf=neutral X-XM-AID: U2FsdGVkX1/tEUz60tuIgGwnBsMjtXOnMtSfTAnHyoE= X-SA-Exim-Connect-IP: 68.227.160.95 X-SA-Exim-Mail-From: ebiederm@xmission.com X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on sa07.xmission.com X-Spam-Level: * X-Spam-Status: No, score=1.3 required=8.0 tests=ALL_TRUSTED,BAYES_50, DCC_CHECK_NEGATIVE,XMNoVowels autolearn=disabled version=3.4.2 X-Spam-Report: * -1.0 ALL_TRUSTED Passed through trusted hosts only via SMTP * 0.8 BAYES_50 BODY: Bayes spam probability is 40 to 60% * [score: 0.4618] * 1.5 XMNoVowels Alpha-numberic number with no vowels * -0.0 DCC_CHECK_NEGATIVE Not listed in DCC * [sa07 1397; Body=1 Fuz1=1 Fuz2=1] X-Spam-DCC: XMission; sa07 1397; Body=1 Fuz1=1 Fuz2=1 X-Spam-Combo: *;Alexey Gladkov X-Spam-Relay-Country: X-Spam-Timing: total 234 ms - load_scoreonly_sql: 0.04 (0.0%), signal_user_changed: 11 (4.5%), b_tie_ro: 9 (4.0%), parse: 0.78 (0.3%), extract_message_metadata: 2.1 (0.9%), get_uri_detail_list: 0.44 (0.2%), tests_pri_-1000: 3.3 (1.4%), tests_pri_-950: 1.22 (0.5%), tests_pri_-900: 0.94 (0.4%), tests_pri_-90: 54 (23.2%), check_bayes: 53 (22.6%), b_tokenize: 4.4 (1.9%), b_tok_get_all: 6 (2.4%), b_comp_prob: 1.58 (0.7%), b_tok_touch_all: 39 (16.5%), b_finish: 0.76 (0.3%), tests_pri_0: 143 (61.0%), check_dkim_signature: 0.45 (0.2%), check_dkim_adsp: 2.3 (1.0%), poll_dns_idle: 0.64 (0.3%), tests_pri_10: 2.3 (1.0%), tests_pri_500: 8 (3.6%), rewrite_mail: 0.00 (0.0%) Subject: [PATCH 0/4] ucounts: misc cleanups X-SA-Exim-Version: 4.2.1 (built Sat, 08 Feb 2020 21:53:50 +0000) X-SA-Exim-Scanned: Yes (on in01.mta.xmission.com) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The following changes are a set of miscellaneous fixes that makes the ucount code a little bit easier to read. There are all things that I ran into while helping hunt the crazy reference count bug. I am aiming these at the next merge window and 5.16 rather than bug fixes to get into the current 5.15. Eric W. Biederman (4): ucounts: In set_cred_ucounts assume new->ucounts is non-NULL ucounts: Remove unnecessary test for NULL ucount in get_ucounts ucounts: Add get_ucounts_or_wrap for clarity ucounts: Use atomic_long_sub_return for clarity kernel/cred.c | 5 ++--- kernel/ucount.c | 20 +++++++++++++------- 2 files changed, 15 insertions(+), 10 deletions(-) Eric