Thread (5 messages) 5 messages, 2 authors, 2020-11-30
STALE2052d
Revisions (3)
  1. v2 [diff vs current]
  2. v3 [diff vs current]
  3. v6 current

[PATCH -v6 2/3] NOT kernel/man-pages man2/set_mempolicy.2: Add mode flag MPOL_F_NUMA_BALANCING

From: Huang Ying <hidden>
Date: 2020-11-26 05:35:07
Also in: linux-mm, lkml
Subsystem: the rest · Maintainer: Linus Torvalds

From: Huang Ying <redacted>

Signed-off-by: "Huang, Ying" <redacted>
---
 man2/set_mempolicy.2 | 8 ++++++++
 1 file changed, 8 insertions(+)
diff --git a/man2/set_mempolicy.2 b/man2/set_mempolicy.2
index 68011eecb..fb16bb351 100644
--- a/man2/set_mempolicy.2
+++ b/man2/set_mempolicy.2
@@ -113,6 +113,11 @@ 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)"
+Enable the Linux kernel NUMA balancing for the task if it is supported
+by kernel.  If the flag isn't supported by Linux kernel, return -1 and
+errno is set to EINVAL.
 .PP
 .I nodemask
 points to a bit mask of node IDs that contains up to
@@ -293,6 +298,9 @@ 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.
 .TP
 .B ENOMEM
 Insufficient kernel memory was available.
-- 
2.29.2
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