diff options
| -rw-r--r-- | include/linux/page_reporting.h | 3 | ||||
| -rw-r--r-- | mm/page_reporting.c | 6 |
2 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/page_reporting.h b/include/linux/page_reporting.h index 3b99e0ec24f2..fe648dfa3a7c 100644 --- a/include/linux/page_reporting.h +++ b/include/linux/page_reporting.h @@ -18,6 +18,9 @@ struct page_reporting_dev_info { /* Current state of page reporting */ atomic_t state; + + /* Minimal order of page reporting */ + unsigned int order; }; /* Tear-down and bring-up for page reporting devices */ diff --git a/mm/page_reporting.c b/mm/page_reporting.c index 34bf4d26c2c4..382958eef8a9 100644 --- a/mm/page_reporting.c +++ b/mm/page_reporting.c @@ -329,6 +329,12 @@ int page_reporting_register(struct page_reporting_dev_info *prdev) goto err_out; } + /* + * Update the page reporting order if it's specified by driver. + * Otherwise, it falls back to @pageblock_order. + */ + page_reporting_order = prdev->order ? : pageblock_order; + /* initialize state and work structures */ atomic_set(&prdev->state, PAGE_REPORTING_IDLE); INIT_DELAYED_WORK(&prdev->work, &page_reporting_process); |