#include <linux/sysdev.h>
#include <linux/module.h>
#include <linux/init.h>
-#include <linux/sched.h> /* capable() */
#include <linux/topology.h>
+#include <linux/capability.h>
#include <linux/device.h>
#include <linux/memory.h>
#include <linux/kobject.h>
set_kset_name(MEMORY_CLASS_NAME),
};
-static char *memory_hotplug_name(struct kset *kset, struct kobject *kobj)
+static const char *memory_uevent_name(struct kset *kset, struct kobject *kobj)
{
return MEMORY_CLASS_NAME;
}
-static int memory_hotplug(struct kset *kset, struct kobject *kobj, char **envp,
+static int memory_uevent(struct kset *kset, struct kobject *kobj, char **envp,
int num_envp, char *buffer, int buffer_size)
{
int retval = 0;
return retval;
}
-static struct kset_hotplug_ops memory_hotplug_ops = {
- .name = memory_hotplug_name,
- .hotplug = memory_hotplug,
+static struct kset_uevent_ops memory_uevent_ops = {
+ .name = memory_uevent_name,
+ .uevent = memory_uevent,
};
-static struct notifier_block *memory_chain;
+static BLOCKING_NOTIFIER_HEAD(memory_chain);
-static int register_memory_notifier(struct notifier_block *nb)
+int register_memory_notifier(struct notifier_block *nb)
{
- return notifier_chain_register(&memory_chain, nb);
+ return blocking_notifier_chain_register(&memory_chain, nb);
}
-static void unregister_memory_notifier(struct notifier_block *nb)
+void unregister_memory_notifier(struct notifier_block *nb)
{
- notifier_chain_unregister(&memory_chain, nb);
+ blocking_notifier_chain_unregister(&memory_chain, nb);
}
/*
* register_memory - Setup a sysfs device for a memory block
*/
-static int
-register_memory(struct memory_block *memory, struct mem_section *section,
+int register_memory(struct memory_block *memory, struct mem_section *section,
struct node *root)
{
int error;
static inline int memory_notify(unsigned long val, void *v)
{
- return notifier_call_chain(&memory_chain, val, v);
+ return blocking_notifier_call_chain(&memory_chain, val, v);
}
/*
static int block_size_init(void)
{
- sysfs_create_file(&memory_sysdev_class.kset.kobj,
- &class_attr_block_size_bytes.attr);
- return 0;
+ return sysfs_create_file(&memory_sysdev_class.kset.kobj,
+ &class_attr_block_size_bytes.attr);
}
/*
*/
#ifdef CONFIG_ARCH_MEMORY_PROBE
static ssize_t
-memory_probe_store(struct class *class, const char __user *buf, size_t count)
+memory_probe_store(struct class *class, const char *buf, size_t count)
{
u64 phys_addr;
+ int nid;
int ret;
phys_addr = simple_strtoull(buf, NULL, 0);
- ret = add_memory(phys_addr, PAGES_PER_SECTION << PAGE_SHIFT);
+ nid = memory_add_physaddr_to_nid(phys_addr);
+ ret = add_memory(nid, phys_addr, PAGES_PER_SECTION << PAGE_SHIFT);
if (ret)
count = ret;
static int memory_probe_init(void)
{
- sysfs_create_file(&memory_sysdev_class.kset.kobj,
- &class_attr_probe.attr);
- return 0;
+ return sysfs_create_file(&memory_sysdev_class.kset.kobj,
+ &class_attr_probe.attr);
}
#else
-#define memory_probe_init(...) do {} while (0)
+static inline int memory_probe_init(void)
+{
+ return 0;
+}
#endif
/*
{
unsigned int i;
int ret;
+ int err;
- memory_sysdev_class.kset.hotplug_ops = &memory_hotplug_ops;
+ memory_sysdev_class.kset.uevent_ops = &memory_uevent_ops;
ret = sysdev_class_register(&memory_sysdev_class);
+ if (ret)
+ goto out;
/*
* Create entries for memory sections that were found
for (i = 0; i < NR_MEM_SECTIONS; i++) {
if (!valid_section_nr(i))
continue;
- add_memory_block(0, __nr_to_section(i), MEM_ONLINE, 0);
+ err = add_memory_block(0, __nr_to_section(i), MEM_ONLINE, 0);
+ if (!ret)
+ ret = err;
}
- memory_probe_init();
- block_size_init();
-
+ err = memory_probe_init();
+ if (!ret)
+ ret = err;
+ err = block_size_init();
+ if (!ret)
+ ret = err;
+out:
+ if (ret)
+ printk(KERN_ERR "%s() failed: %d\n", __FUNCTION__, ret);
return ret;
}