Re: [PATCH -V7 2/3] NOT kernel/man2/set_mempolicy.2: Add mode flag MPOL_F_NUMA_BALANCING

Hi, Alex,

"Alejandro Colomar (man-pages)" [off-list ref] writes:

Hi Huang Ying,

Please, see a few fixes below.

Thanks,

Alex

On 12/4/20 10:15 AM, Huang Ying wrote:

quoted

Signed-off-by: "Huang, Ying" <redacted>
---
 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

quoted

+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 .

quoted

 .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 .

quoted

 .TP
 .B ENOMEM
 Insufficient kernel memory was available.

Thanks a lot for your comments!  Will change them in the next version.

Best Regards,
Huang, Ying