fs/proc/kcore.c: use register_hotmemory_notifier()

Saves an ifdef, no code size changes

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Andrew Morton 2013-04-29 15:08:08 -07:00 committed by Linus Torvalds
parent 6e259e7dc4
commit 3c743a7f7b

View File

@ -15,6 +15,7 @@
#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>
@ -564,7 +565,6 @@ static const struct file_operations proc_kcore_operations = {
.llseek = default_llseek,
};
#ifdef CONFIG_MEMORY_HOTPLUG
/* just remember that we have to update kcore */
static int __meminit kcore_callback(struct notifier_block *self,
unsigned long action, void *arg)
@ -578,8 +578,11 @@ static int __meminit kcore_callback(struct notifier_block *self,
}
return NOTIFY_OK;
}
#endif
static struct notifier_block kcore_callback_nb __meminitdata = {
.notifier_call = kcore_callback,
.priority = 0,
};
static struct kcore_list kcore_vmalloc;
@ -631,7 +634,7 @@ static int __init proc_kcore_init(void)
add_modules_range();
/* Store direct-map area from physical memory map */
kcore_update_ram();
hotplug_memory_notifier(kcore_callback, 0);
register_hotmemory_notifier(&kcore_callback_nb);
return 0;
}