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authorDou Liyang <douly.fnst@cn.fujitsu.com>2017-07-11 01:49:20 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2017-07-11 02:32:32 +0300
commita7be6e5a7f8da433065b23f98ff68f445113080a (patch)
treeada957b19769abb02d0dbea56aa84b67daa679b3 /drivers/base
parent727c080f03e7e2e20e868efd461d4f1022b61d9b (diff)
downloadlinux-a7be6e5a7f8da433065b23f98ff68f445113080a.tar.xz
mm: drop useless local parameters of __register_one_node()
__register_one_node() initializes local parameters "p_node" & "parent" for register_node(). But, register_node() does not use them. Remove the related code of "parent" node, cleanup __register_one_node() and register_node(). Link: http://lkml.kernel.org/r/1498013846-20149-1-git-send-email-douly.fnst@cn.fujitsu.com Signed-off-by: Dou Liyang <douly.fnst@cn.fujitsu.com> Acked-by: David Rientjes <rientjes@google.com> Acked-by: Michal Hocko <mhocko@suse.com> Cc: <isimatu.yasuaki@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/base')
-rw-r--r--drivers/base/node.c9
1 files changed, 2 insertions, 7 deletions
diff --git a/drivers/base/node.c b/drivers/base/node.c
index 73d39bc58c42..d8dc83017d8d 100644
--- a/drivers/base/node.c
+++ b/drivers/base/node.c
@@ -288,7 +288,7 @@ static void node_device_release(struct device *dev)
*
* Initialize and register the node device.
*/
-static int register_node(struct node *node, int num, struct node *parent)
+static int register_node(struct node *node, int num)
{
int error;
@@ -567,19 +567,14 @@ static void init_node_hugetlb_work(int nid) { }
int __register_one_node(int nid)
{
- int p_node = parent_node(nid);
- struct node *parent = NULL;
int error;
int cpu;
- if (p_node != nid)
- parent = node_devices[p_node];
-
node_devices[nid] = kzalloc(sizeof(struct node), GFP_KERNEL);
if (!node_devices[nid])
return -ENOMEM;
- error = register_node(node_devices[nid], nid, parent);
+ error = register_node(node_devices[nid], nid);
/* link cpu under this node */
for_each_present_cpu(cpu) {