xref: /OK3568_Linux_fs/kernel/arch/arm64/mm/ptdump_debugfs.c (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun #include <linux/debugfs.h>
3*4882a593Smuzhiyun #include <linux/memory_hotplug.h>
4*4882a593Smuzhiyun #include <linux/seq_file.h>
5*4882a593Smuzhiyun 
6*4882a593Smuzhiyun #include <asm/ptdump.h>
7*4882a593Smuzhiyun 
ptdump_show(struct seq_file * m,void * v)8*4882a593Smuzhiyun static int ptdump_show(struct seq_file *m, void *v)
9*4882a593Smuzhiyun {
10*4882a593Smuzhiyun 	struct ptdump_info *info = m->private;
11*4882a593Smuzhiyun 
12*4882a593Smuzhiyun 	get_online_mems();
13*4882a593Smuzhiyun 	ptdump_walk(m, info);
14*4882a593Smuzhiyun 	put_online_mems();
15*4882a593Smuzhiyun 	return 0;
16*4882a593Smuzhiyun }
17*4882a593Smuzhiyun DEFINE_SHOW_ATTRIBUTE(ptdump);
18*4882a593Smuzhiyun 
ptdump_debugfs_register(struct ptdump_info * info,const char * name)19*4882a593Smuzhiyun void ptdump_debugfs_register(struct ptdump_info *info, const char *name)
20*4882a593Smuzhiyun {
21*4882a593Smuzhiyun 	debugfs_create_file(name, 0400, NULL, info, &ptdump_fops);
22*4882a593Smuzhiyun }
23