diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/memory-failure.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/mm/memory-failure.c b/mm/memory-failure.c index 00d6da57ab06..b91a33fb6c69 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -2215,9 +2215,13 @@ static void kill_procs_now(struct page *p, unsigned long pfn, int flags, * Must run in process context (e.g. a work queue) with interrupts * enabled and no spinlocks held. * - * Return: 0 for successfully handled the memory error, - * -EOPNOTSUPP for hwpoison_filter() filtered the error event, - * < 0(except -EOPNOTSUPP) on failure. + * Return: + * 0 - success, + * -ENXIO - memory not managed by the kernel + * -EOPNOTSUPP - hwpoison_filter() filtered the error event, + * -EHWPOISON - the page was already poisoned, potentially + * kill process, + * other negative values - failure. */ int memory_failure(unsigned long pfn, int flags) { |