From: "Alejandro Colomar (man-pages)" <alx.manpages@gmail.com>
To: Huang Ying <ying.huang@intel.com>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
"Matthew Wilcox (Oracle)" <willy@infradead.org>,
Rafael Aquini <aquini@redhat.com>,
Andrew Morton <akpm@linux-foundation.org>,
Ingo Molnar <mingo@redhat.com>, Rik van Riel <riel@surriel.com>,
Peter Zijlstra <peterz@infradead.org>,
Johannes Weiner <hannes@cmpxchg.org>,
Dave Hansen <dave.hansen@intel.com>,
Andi Kleen <ak@linux.intel.com>, Michal Hocko <mhocko@suse.com>,
David Rientjes <rientjes@google.com>,
linux-api@vger.kernel.org, Mel Gorman <mgorman@suse.de>
Subject: Re: [PATCH -V7 2/3] NOT kernel/man2/set_mempolicy.2: Add mode flag MPOL_F_NUMA_BALANCING
Date: Fri, 4 Dec 2020 14:25:20 +0100 [thread overview]
Message-ID: <4c10125a-cbe6-7dff-3b57-c3480e913c5f@gmail.com> (raw)
In-Reply-To: <20201204091534.72239-3-ying.huang@intel.com>
Hi Huang Ying,
Please, see a few fixes below.
Thanks,
Alex
On 12/4/20 10:15 AM, Huang Ying wrote:
> Signed-off-by: "Huang, Ying" <ying.huang@intel.com>
> ---
> man2/set_mempolicy.2 | 14 ++++++++++++++
> 1 file changed, 14 insertions(+)
>
> diff --git a/man2/set_mempolicy.2 b/man2/set_mempolicy.2
> index 68011eecb..fb2e6fd96 100644
> --- a/man2/set_mempolicy.2
> +++ b/man2/set_mempolicy.2
> @@ -113,6 +113,15 @@ A nonempty
> .I nodemask
> specifies node IDs that are relative to the set of
> node IDs allowed by the process's current cpuset.
> +.TP
> +.BR MPOL_F_NUMA_BALANCING " (since Linux 5.11)"
> +When
> +.I mode
> +is MPOL_BIND, enable the Linux kernel NUMA balancing for the task if
.B MPOL_BIND
> +it is supported by kernel.
> +If the flag isn't supported by Linux kernel, or is used with
> +.I mode> +other than MPOL_BIND, return -1 and errno is set to EINVAL.
.BR MPOL_BIND ,
A minus sign should be escaped:
\-1
See man-pages(7)::STYLE GUIDE::Generating optimal glyphs)
.I errno
.BR EINVAL .
> .PP
> .I nodemask
> points to a bit mask of node IDs that contains up to
> @@ -293,6 +302,11 @@ argument specified both
> .B MPOL_F_STATIC_NODES
> and
> .BR MPOL_F_RELATIVE_NODES .
> +Or, the
> +.B MPOL_F_NUMA_BALANCING
> +isn't supported by the Linux kernel, or is used with
> +.I mode
> +other than MPOL_BIND.
.BR MPOL_BIND .
> .TP
> .B ENOMEM
> Insufficient kernel memory was available.
>
next prev parent reply other threads:[~2020-12-04 13:26 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-04 9:15 [PATCH -V7 0/3] numa balancing: Migrate on fault among multiple bound nodes Huang Ying
2020-12-04 9:15 ` [PATCH -V7 1/3] " Huang Ying
2020-12-04 9:15 ` [PATCH -V7 2/3] NOT kernel/man2/set_mempolicy.2: Add mode flag MPOL_F_NUMA_BALANCING Huang Ying
2020-12-04 13:25 ` Alejandro Colomar (man-pages) [this message]
2020-12-07 0:48 ` Huang, Ying
2020-12-04 9:15 ` [PATCH -V7 3/3] NOT kernel/numactl: Support to enable Linux kernel NUMA balancing Huang Ying
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