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include/asm-generic/topology.h: remove unused parent_node() macro

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Commit a7be6e5a7f ("mm: drop useless local parameters of
__register_one_node()") removed the last user of parent_node().

The parent_node() macro in generic situation is unnecessary.

Remove it for cleanup.

Link: http://lkml.kernel.org/r/1504234599-29533-8-git-send-email-douly.fnst@cn.fujitsu.com
Signed-off-by: Dou Liyang <douly.fnst@cn.fujitsu.com>
Reported-by: Michael Ellerman <mpe@ellerman.id.au>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Dou Liyang 2017-11-17 15:31:43 -08:00 committed by Linus Torvalds
parent 52563d05f2
commit 7016383b44
1 changed files with 0 additions and 3 deletions
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include/asm-generic/topology.h
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@ -44,9 +44,6 @@
#define cpu_to_mem(cpu) ((void)(cpu),0)
#endif
#ifndef parent_node
#define parent_node(node) ((void)(node),0)
#endif
#ifndef cpumask_of_node
#ifdef CONFIG_NEED_MULTIPLE_NODES
#define cpumask_of_node(node) ((node) == 0 ? cpu_online_mask : cpu_none_mask)