Date: Fri, 12 Mar 2021 12:15:34 GMT From: Kristof Provost <kp@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: 51dc8e7f6888 - main - Document that uma_zfree_pcpu() allows NULL now Message-ID: <202103121215.12CCFY0S031188@gitrepo.freebsd.org>
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The branch main has been updated by kp: URL: https://cgit.FreeBSD.org/src/commit/?id=51dc8e7f688867e73eb7edc6bc65fdc77c9d5fff commit 51dc8e7f688867e73eb7edc6bc65fdc77c9d5fff Author: Kristof Provost <kp@FreeBSD.org> AuthorDate: 2021-03-11 08:32:01 +0000 Commit: Kristof Provost <kp@FreeBSD.org> CommitDate: 2021-03-12 11:12:35 +0000 Document that uma_zfree_pcpu() allows NULL now While here also document that for counter_u64_free(). Reviewed by: rpokala@ MFC after: 1 week Sponsored by: Rubicon Communications, LLC ("Netgate") Differential Revision: https://reviews.freebsd.org/D29215 --- share/man/man9/counter.9 | 7 +++++-- share/man/man9/zone.9 | 18 +++++++++++++++++- 2 files changed, 22 insertions(+), 3 deletions(-) diff --git a/share/man/man9/counter.9 b/share/man/man9/counter.9 index 1eb36b571249..04376ba9c994 100644 --- a/share/man/man9/counter.9 +++ b/share/man/man9/counter.9 @@ -25,7 +25,7 @@ .\" .\" $FreeBSD$ .\" -.Dd March 6, 2020 +.Dd March 11, 2021 .Dt COUNTER 9 .Os .Sh NAME @@ -98,10 +98,13 @@ or .Va M_WAITOK . If .Va M_NOWAIT -is specified the operation may fail. +is specified the operation may fail and return +.Dv NULL . .It Fn counter_u64_free c Free the previously allocated counter .Fa c . +It is safe to pass +.Dv NULL . .It Fn counter_u64_add c v Add .Fa v diff --git a/share/man/man9/zone.9 b/share/man/man9/zone.9 index 91c965ff69ce..7da40b13469b 100644 --- a/share/man/man9/zone.9 +++ b/share/man/man9/zone.9 @@ -25,7 +25,7 @@ .\" .\" $FreeBSD$ .\" -.Dd August 20, 2020 +.Dd March 11, 2021 .Dt UMA 9 .Os .Sh NAME @@ -385,6 +385,22 @@ specify an argument for the and .Dv dtor functions of the zone, respectively. +The variants +.Fn uma_zalloc_pcpu +and +.Fn uma_zfree_pcpu +allocate and free +.Va mp_ncpu +shadow copies as described for +.Dv UMA_ZONE_PCPU . +If +.Fa item +is +.Dv NULL , +then +.Fn uma_zfree_pcpu +does nothing. +.Pp The .Fn uma_zalloc_domain function allows callers to specify a fixed
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