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author | Takashi Iwai <tiwai@suse.de> | 2012-08-20 15:26:04 -0400 |
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committer | Takashi Iwai <tiwai@suse.de> | 2012-08-20 15:26:04 -0400 |
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 000000000000..e6239bf0b0df --- /dev/null +++ b/lib/memory-notifier-error-inject.c | |||
@@ -0,0 +1,48 @@ | |||
1 | #include <linux/kernel.h> | ||
2 | #include <linux/module.h> | ||
3 | #include <linux/memory.h> | ||
4 | |||
5 | #include "notifier-error-inject.h" | ||
6 | |||
7 | static int priority; | ||
8 | module_param(priority, int, 0); | ||
9 | MODULE_PARM_DESC(priority, "specify memory notifier priority"); | ||
10 | |||
11 | static struct notifier_err_inject memory_notifier_err_inject = { | ||
12 | .actions = { | ||
13 | { NOTIFIER_ERR_INJECT_ACTION(MEM_GOING_ONLINE) }, | ||
14 | { NOTIFIER_ERR_INJECT_ACTION(MEM_GOING_OFFLINE) }, | ||
15 | {} | ||
16 | } | ||
17 | }; | ||
18 | |||
19 | static struct dentry *dir; | ||
20 | |||
21 | static int err_inject_init(void) | ||
22 | { | ||
23 | int err; | ||
24 | |||
25 | dir = notifier_err_inject_init("memory", notifier_err_inject_dir, | ||
26 | &memory_notifier_err_inject, priority); | ||
27 | if (IS_ERR(dir)) | ||
28 | return PTR_ERR(dir); | ||
29 | |||
30 | err = register_memory_notifier(&memory_notifier_err_inject.nb); | ||
31 | if (err) | ||
32 | debugfs_remove_recursive(dir); | ||
33 | |||
34 | return err; | ||
35 | } | ||
36 | |||
37 | static void err_inject_exit(void) | ||
38 | { | ||
39 | unregister_memory_notifier(&memory_notifier_err_inject.nb); | ||
40 | debugfs_remove_recursive(dir); | ||
41 | } | ||
42 | |||
43 | module_init(err_inject_init); | ||
44 | module_exit(err_inject_exit); | ||
45 | |||
46 | MODULE_DESCRIPTION("memory notifier error injection module"); | ||
47 | MODULE_LICENSE("GPL"); | ||
48 | MODULE_AUTHOR("Akinobu Mita <akinobu.mita@gmail.com>"); | ||