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mm/mm_init.c: use hotplug_memory_notifier() directly 

Commit 76ae847497 ("Documentation: raise minimum supported version of
GCC to 5.1") updated the minimum gcc version to 5.1.  So the problem
mentioned in f02c696800 ("include/linux/memory.h: implement
register_hotmemory_notifier()") no longer exist.  So we can now switch to
use hotplug_memory_notifier() directly rather than
register_hotmemory_notifier().

Link: https://lkml.kernel.org/r/20220923033347.3935160-6-liushixin2@huawei.com
Signed-off-by: Liu Shixin <liushixin2@huawei.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: Waiman Long <longman@redhat.com>
Cc: zefan li <lizefan.x@bytedance.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Liu Shixin 2022-09-23 11:33:44 +08:00 committed by Andrew Morton
parent cddb8d09ff
commit d46722ef1c
1 changed files with 1 additions and 7 deletions
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8
mm/mm_init.c
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@ -178,16 +178,10 @@ static int __meminit mm_compute_batch_notifier(struct notifier_block *self,
return NOTIFY_OK; return NOTIFY_OK;
} }
static struct notifier_block compute_batch_nb __meminitdata = {
.notifier_call = mm_compute_batch_notifier,
.priority = IPC_CALLBACK_PRI, /* use lowest priority */
};
static int __init mm_compute_batch_init(void) static int __init mm_compute_batch_init(void)
{ {
mm_compute_batch(sysctl_overcommit_memory); mm_compute_batch(sysctl_overcommit_memory);
register_hotmemory_notifier(&compute_batch_nb); hotplug_memory_notifier(mm_compute_batch_notifier, IPC_CALLBACK_PRI);
return 0; return 0;
} }