Revision 5e1782d224c79b26ab7d5c31e3f87657000714fb authored by Dave Airlie on 28 August 2012, 01:53:54 UTC, committed by Dave Airlie on 13 September 2012, 01:42:31 UTC
Testing and works with the -modesetting driver, Reviewed-by: Jakob Bornecrantz <jakob@vmware.com> Cc: stable@vger.kernel.org Signed-off-by: Dave Airlie <airlied@redhat.com>
1 parent 26df641
memory-notifier-error-inject.c
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/memory.h>
#include "notifier-error-inject.h"
static int priority;
module_param(priority, int, 0);
MODULE_PARM_DESC(priority, "specify memory notifier priority");
static struct notifier_err_inject memory_notifier_err_inject = {
.actions = {
{ NOTIFIER_ERR_INJECT_ACTION(MEM_GOING_ONLINE) },
{ NOTIFIER_ERR_INJECT_ACTION(MEM_GOING_OFFLINE) },
{}
}
};
static struct dentry *dir;
static int err_inject_init(void)
{
int err;
dir = notifier_err_inject_init("memory", notifier_err_inject_dir,
&memory_notifier_err_inject, priority);
if (IS_ERR(dir))
return PTR_ERR(dir);
err = register_memory_notifier(&memory_notifier_err_inject.nb);
if (err)
debugfs_remove_recursive(dir);
return err;
}
static void err_inject_exit(void)
{
unregister_memory_notifier(&memory_notifier_err_inject.nb);
debugfs_remove_recursive(dir);
}
module_init(err_inject_init);
module_exit(err_inject_exit);
MODULE_DESCRIPTION("memory notifier error injection module");
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Akinobu Mita <akinobu.mita@gmail.com>");
Computing file changes ...