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fs/proc/kcore.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/20220923033347.3935160-3-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 11:33:41 +08:00 committed by Andrew Morton
parent f9e60becee
commit 5d89c22432
1 changed files with 1 additions and 6 deletions
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7
fs/proc/kcore.c
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@ -18,7 +18,6 @@
#include <linux/capability.h>
#include <linux/elf.h>
#include <linux/elfcore.h>
#include <linux/notifier.h>
#include <linux/vmalloc.h>
#include <linux/highmem.h>
#include <linux/printk.h>
@ -638,10 +637,6 @@ static int __meminit kcore_callback(struct notifier_block *self,
return NOTIFY_OK;
}
static struct notifier_block kcore_callback_nb __meminitdata = {
.notifier_call = kcore_callback,
.priority = 0,
};
static struct kcore_list kcore_vmalloc;
@ -694,7 +689,7 @@ static int __init proc_kcore_init(void)
add_modules_range();
/* Store direct-map area from physical memory map */
kcore_update_ram();
register_hotmemory_notifier(&kcore_callback_nb);
hotplug_memory_notifier(kcore_callback, 0);
return 0;
}