diff options
Diffstat (limited to 'include/linux/mmzone.h')
| -rw-r--r-- | include/linux/mmzone.h | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index 34cbefd2ebde..93a849f742db 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -149,15 +149,17 @@ struct zone { unsigned long pages_scanned; /* since last reclaim */ int all_unreclaimable; /* All pages pinned */ - /* - * Does the allocator try to reclaim pages from the zone as soon - * as it fails a watermark_ok() in __alloc_pages? - */ - int reclaim_pages; /* A count of how many reclaimers are scanning this zone */ atomic_t reclaim_in_progress; /* + * timestamp (in jiffies) of the last zone reclaim that did not + * result in freeing of pages. This is used to avoid repeated scans + * if all memory in the zone is in use. + */ + unsigned long last_unsuccessful_zone_reclaim; + + /* * prev_priority holds the scanning priority for this zone. It is * defined as the scanning priority at which we achieved our reclaim * target at the previous try_to_free_pages() or balance_pgdat() |