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author | Takashi Iwai <tiwai@suse.de> | 2012-08-20 21:26:04 +0200 |
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committer | Takashi Iwai <tiwai@suse.de> | 2012-08-20 21:26:04 +0200 |
commit | f0b433e9f362e0b7f0ce7d1489dd7feba068605d (patch) | |
tree | d4bfd9489cf4a96a55d83af20919f477a846d585 /lib/memory-notifier-error-inject.c | |
parent | fa2f5bf09610d3c216d4c74855edbe00d636467c (diff) | |
parent | 28c42c28309244d0b15d1b385e33429d59997679 (diff) |
Merge tag 'asoc-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Additional updates for 3.6
A batch more bugfixes, all driver-specific and fairly small and
unremarkable in a global context. The biggest batch are for the newly
added Arizona drivers.
Diffstat (limited to 'lib/memory-notifier-error-inject.c')
-rw-r--r-- | lib/memory-notifier-error-inject.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/lib/memory-notifier-error-inject.c b/lib/memory-notifier-error-inject.c new file mode 100644 index 00000000000..e6239bf0b0d --- /dev/null +++ b/lib/memory-notifier-error-inject.c @@ -0,0 +1,48 @@ +#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>"); |