[PATCH -V7 2/3] NOT kernel/man2/set_mempolicy.2: Add mode flag MPOL_F_NUMA_BALANCING
From: Huang Ying <hidden>
Date: 2020-12-04 09:16:54
Also in:
linux-mm, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
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 +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. .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. .TP .B ENOMEM Insufficient kernel memory was available.
--
2.29.2