The patch titled
Subject: mm: drop useless local parameters of __register_one_node()
has been added to the -mm tree. Its filename is
mm-drop-useless-local-parameters-of-__register_one_node.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-drop-useless-local-parameters-of-__register_one_node.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-drop-useless-local-parameters-of-__register_one_node.patch
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------------------------------------------------------
From: Dou Liyang <douly.fnst@xxxxxxxxxxxxxx>
Subject: 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@xxxxxxxxxxxxxx
Signed-off-by: Dou Liyang <douly.fnst@xxxxxxxxxxxxxx>
Acked-by: David Rientjes <rientjes@xxxxxxxxxx>
Cc: David Rientjes <rientjes@xxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxxxx>
Cc: <isimatu.yasuaki@xxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/base/node.c | 9 ++-------
1 file changed, 2 insertions(+), 7 deletions(-)
diff -puN drivers/base/node.c~mm-drop-useless-local-parameters-of-__register_one_node drivers/base/node.c
--- a/drivers/base/node.c~mm-drop-useless-local-parameters-of-__register_one_node
+++ a/drivers/base/node.c
@@ -288,7 +288,7 @@ static void node_device_release(struct d
*
* 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 n
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) {
_
Patches currently in -mm which might be from douly.fnst@xxxxxxxxxxxxxx are
mm-drop-useless-local-parameters-of-__register_one_node.patch
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