linux-kernel - [PATCH] numa: remove stale node_has_online

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Date:	Tue, 5 Jan 2016 11:48:32 -0500
From:	Chris Metcalf <cmetcalf@...hip.com>
To:	Russell King <rmk+kernel@....linux.org.uk>,
	Thomas Gleixner <tglx@...utronix.de>,
	Catalin Marinas <catalin.marinas@....com>,
	Tejun Heo <tj@...nel.org>,
	Bartosz Golaszewski <bgolaszewski@...libre.com>,
	Noam Camus <noamc@...hip.com>, <linux-kernel@...r.kernel.org>
CC:	Chris Metcalf <cmetcalf@...hip.com>
Subject: [PATCH] numa: remove stale node_has_online_mem() define

This isn't used anywhere, so delete it.

Looks like the last usage (in x86-specific code) was removed by Tejun
in 2011 in commit bd6709a91a59 ("x86, NUMA: Make 32bit use common NUMA
init path").

Signed-off-by: Chris Metcalf <cmetcalf@...hip.com>
---
I can push this through the tile tree since half of it is tile-specific.
Please let me know if someone else would like to take it instead!

 arch/tile/include/asm/topology.h | 3 ---
 include/linux/topology.h         | 4 ----
 2 files changed, 7 deletions(-)

diff --git a/arch/tile/include/asm/topology.h b/arch/tile/include/asm/topology.h
index 76b0d0ebb244..b11d5fcd2c41 100644
--- a/arch/tile/include/asm/topology.h
+++ b/arch/tile/include/asm/topology.h
@@ -44,9 +44,6 @@ static inline const struct cpumask *cpumask_of_node(int node)
 /* For now, use numa node -1 for global allocation. */
 #define pcibus_to_node(bus)		((void)(bus), -1)
 
-/* By definition, we create nodes based on online memory. */
-#define node_has_online_mem(nid) 1
-
 #endif /* CONFIG_NUMA */
 
 #include <asm-generic/topology.h>
diff --git a/include/linux/topology.h b/include/linux/topology.h
index 73ddad1e0fa3..afce69296ac0 100644
--- a/include/linux/topology.h
+++ b/include/linux/topology.h
@@ -34,10 +34,6 @@
 #include <linux/percpu.h>
 #include <asm/topology.h>
 
-#ifndef node_has_online_mem
-#define node_has_online_mem(nid) (1)
-#endif
-
 #ifndef nr_cpus_node
 #define nr_cpus_node(node) cpumask_weight(cpumask_of_node(node))
 #endif
-- 
2.1.2

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