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mm: drop useless local parameters of __register_one_node()

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__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/[email protected]
Signed-off-by: Dou Liyang <[email protected]>
Acked-by: David Rientjes <[email protected]>
Acked-by: Michal Hocko <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Dou Liyang authored and Linus Torvalds committed 2017-07-10 16:32:32 -07:00
1 parent 727c080f03
commit a7be6e5a7f
1 file changed
+2 -7
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drivers/base/node.c
+2 -7
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@@ -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) {