diff options
author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-08-17 08:57:56 +0200 |
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committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-08-17 09:01:08 +0200 |
commit | a22ddff8bedfe33eeb1330bbb7ef1fbe007a42c4 (patch) | |
tree | 61a2eb7fa62f5af10c2b913ca429e6b068b0eb2d /lib/memory-notifier-error-inject.c | |
parent | 20d5a540e55a29daeef12706f9ee73baf5641c16 (diff) | |
parent | d9875690d9b89a866022ff49e3fcea892345ad92 (diff) |
Merge tag 'v3.6-rc2' into drm-intel-next
Backmerge Linux 3.6-rc2 to resolve a few funny conflicts before we put
even more madness on top:
- drivers/gpu/drm/i915/i915_irq.c: Just a spurious WARN removed in
-fixes, that has been changed in a variable-rename in -next, too.
- drivers/gpu/drm/i915/intel_ringbuffer.c: -next remove scratch_addr
(since all their users have been extracted in another fucntion),
-fixes added another user for a hw workaroudn.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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 @@ +#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>"); |