mirror of
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
synced 2025-09-04 20:19:47 +08:00
mm,memory-tiers: use node-notifier instead of memory-notifier
memory-tier is only concerned when a numa node changes its memory state, because it then needs to re-create the demotion list. So stop using the memory notifier and use the new numa node notifer instead. Link: https://lkml.kernel.org/r/20250616135158.450136-6-osalvador@suse.de Signed-off-by: Oscar Salvador <osalvador@suse.de> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Reviewed-by: Harry Yoo <harry.yoo@oracle.com> Reviewed-by: Vlastimil Babka <vbabka@suse.cz> Acked-by: David Hildenbrand <david@redhat.com> Cc: Hyeonggon Yoo <42.hyeyoo@gmail.com> Cc: Rakie Kim <rakie.kim@sk.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
parent
5a20c096a1
commit
265ab08697
@ -872,25 +872,18 @@ static int __meminit memtier_hotplug_callback(struct notifier_block *self,
|
||||
unsigned long action, void *_arg)
|
||||
{
|
||||
struct memory_tier *memtier;
|
||||
struct memory_notify *arg = _arg;
|
||||
|
||||
/*
|
||||
* Only update the node migration order when a node is
|
||||
* changing status, like online->offline.
|
||||
*/
|
||||
if (arg->status_change_nid < 0)
|
||||
return notifier_from_errno(0);
|
||||
struct node_notify *nn = _arg;
|
||||
|
||||
switch (action) {
|
||||
case MEM_OFFLINE:
|
||||
case NODE_REMOVED_LAST_MEMORY:
|
||||
mutex_lock(&memory_tier_lock);
|
||||
if (clear_node_memory_tier(arg->status_change_nid))
|
||||
if (clear_node_memory_tier(nn->nid))
|
||||
establish_demotion_targets();
|
||||
mutex_unlock(&memory_tier_lock);
|
||||
break;
|
||||
case MEM_ONLINE:
|
||||
case NODE_ADDED_FIRST_MEMORY:
|
||||
mutex_lock(&memory_tier_lock);
|
||||
memtier = set_node_memory_tier(arg->status_change_nid);
|
||||
memtier = set_node_memory_tier(nn->nid);
|
||||
if (!IS_ERR(memtier))
|
||||
establish_demotion_targets();
|
||||
mutex_unlock(&memory_tier_lock);
|
||||
@ -929,7 +922,7 @@ static int __init memory_tier_init(void)
|
||||
nodes_and(default_dram_nodes, node_states[N_MEMORY],
|
||||
node_states[N_CPU]);
|
||||
|
||||
hotplug_memory_notifier(memtier_hotplug_callback, MEMTIER_HOTPLUG_PRI);
|
||||
hotplug_node_notifier(memtier_hotplug_callback, MEMTIER_HOTPLUG_PRI);
|
||||
return 0;
|
||||
}
|
||||
subsys_initcall(memory_tier_init);
|
||||
|
Loading…
Reference in New Issue
Block a user