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From: Huang Ying <ying.huang@intel.com>
To: Peter Zijlstra <peterz@infradead.org>, Mel Gorman <mgorman@suse.de>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	Huang Ying <ying.huang@intel.com>,
	"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>,
	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
Subject: [PATCH -V6 RESEND 2/3] NOT kernel/man-pages: man2/set_mempolicy.2: Add mode flag MPOL_F_NUMA_BALANCING
Date: Wed,  2 Dec 2020 16:42:33 +0800	[thread overview]
Message-ID: <20201202084234.15797-3-ying.huang@intel.com> (raw)
In-Reply-To: <20201202084234.15797-1-ying.huang@intel.com>

Signed-off-by: "Huang, Ying" <ying.huang@intel.com>
---
 man2/set_mempolicy.2 | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/man2/set_mempolicy.2 b/man2/set_mempolicy.2
index 68011eecb..3754b3e12 100644
--- a/man2/set_mempolicy.2
+++ b/man2/set_mempolicy.2
@@ -113,6 +113,12 @@ 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 +299,9 @@ 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


  parent reply	other threads:[~2020-12-02  8:44 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-02  8:42 [PATCH -V6 RESEND 0/3] numa balancing: Migrate on fault among multiple bound nodes Huang Ying
2020-12-02  8:42 ` [PATCH -V6 RESEND 1/3] " Huang Ying
2020-12-02 11:40   ` Mel Gorman
2020-12-03 10:25     ` Peter Zijlstra
2020-12-03 10:53       ` Mel Gorman
2020-12-04  9:19       ` Huang, Ying
2020-12-04  9:19         ` Huang, Ying
2020-12-10  8:21         ` Huang, Ying
2020-12-10  8:21           ` Huang, Ying
2020-12-02  8:42 ` Huang Ying [this message]
2020-12-02 11:43   ` [PATCH -V6 RESEND 2/3] NOT kernel/man-pages: man2/set_mempolicy.2: Add mode flag MPOL_F_NUMA_BALANCING Mel Gorman
2020-12-03  1:49     ` Huang, Ying
2020-12-03  1:49       ` Huang, Ying
2020-12-03  9:37       ` Mel Gorman
2020-12-02 12:33   ` Alejandro Colomar (mailing lists; readonly)
2020-12-02 12:33     ` Alejandro Colomar (mailing lists; readonly)
2020-12-08  8:13     ` Huang, Ying
2020-12-08  8:13       ` Huang, Ying
2020-12-18 10:21       ` Alejandro Colomar (mailing lists; readonly)
2020-12-18 10:21         ` Alejandro Colomar (mailing lists; readonly)
2020-12-21  1:31         ` Huang, Ying
2020-12-21  1:31           ` Huang, Ying
2020-12-02  8:42 ` [PATCH -V6 RESEND 3/3] NOT kernel/numactl: Support to enable Linux kernel NUMA balancing Huang Ying
2020-12-02 11:45   ` Mel Gorman

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