diff options
Diffstat (limited to 'arch/arm64/mm/ptdump_debugfs.c')
-rw-r--r-- | arch/arm64/mm/ptdump_debugfs.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/arm64/mm/ptdump_debugfs.c b/arch/arm64/mm/ptdump_debugfs.c new file mode 100644 index 000000000..68bf1a125 --- /dev/null +++ b/arch/arm64/mm/ptdump_debugfs.c @@ -0,0 +1,22 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <linux/debugfs.h> +#include <linux/memory_hotplug.h> +#include <linux/seq_file.h> + +#include <asm/ptdump.h> + +static int ptdump_show(struct seq_file *m, void *v) +{ + struct ptdump_info *info = m->private; + + get_online_mems(); + ptdump_walk(m, info); + put_online_mems(); + return 0; +} +DEFINE_SHOW_ATTRIBUTE(ptdump); + +void __init ptdump_debugfs_register(struct ptdump_info *info, const char *name) +{ + debugfs_create_file(name, 0400, NULL, info, &ptdump_fops); +} |