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| author |   Dou Liyang <douly.fnst@cn.fujitsu.com> | 2017-07-10 15:49:20 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2017-07-10 16:32:32 -0700 |
| commit | a7be6e5a7f8da433065b23f98ff68f445113080a (patch) | |
| tree | ada957b19769abb02d0dbea56aa84b67daa679b3 /drivers/base | |
| parent | mm: avoid taking zone lock in pagetypeinfo_showmixed() (diff) | |
| download | linux-dev-a7be6e5a7f8da433065b23f98ff68f445113080a.tar.xz linux-dev-a7be6e5a7f8da433065b23f98ff68f445113080a.zip | |
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.c | 9 |
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) { |