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| author | Andrey Ryabinin <aryabinin@virtuozzo.com> | 2017-11-15 17:34:15 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-11-15 18:21:03 -0800 |
| commit | 3a50d14d0df5776e002a8683a290c87eeac93a21 (patch) | |
| tree | 64b482ced9e1f96c56dbebed299706b3535852fb | |
| parent | 4645b9fe84bf4878f04c7959a75df7c3c2d1bbb9 (diff) | |
| download | linux-3a50d14d0df5776e002a8683a290c87eeac93a21.tar.gz linux-3a50d14d0df5776e002a8683a290c87eeac93a21.tar.bz2 linux-3a50d14d0df5776e002a8683a290c87eeac93a21.zip | |
mm: remove unused pgdat->inactive_ratio
Since commit 59dc76b0d4df ("mm: vmscan: reduce size of inactive file
list") 'pgdat->inactive_ratio' is not used, except for printing
"node_inactive_ratio: 0" in /proc/zoneinfo output.
Remove it.
Link: http://lkml.kernel.org/r/20171003152611.27483-1-aryabinin@virtuozzo.com
Signed-off-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
Reviewed-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | include/linux/mmzone.h | 6 | ||||
| -rw-r--r-- | mm/vmscan.c | 2 | ||||
| -rw-r--r-- | mm/vmstat.c | 6 |
3 files changed, 3 insertions, 11 deletions
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index a507f43ad221..39ccaa9c428b 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -712,12 +712,6 @@ typedef struct pglist_data { /* Fields commonly accessed by the page reclaim scanner */ struct lruvec lruvec; - /* - * The target ratio of ACTIVE_ANON to INACTIVE_ANON pages on - * this node's LRU. Maintained by the pageout code. - */ - unsigned int inactive_ratio; - unsigned long flags; ZONE_PADDING(_pad2_) diff --git a/mm/vmscan.c b/mm/vmscan.c index 15b483ef6440..2852b8c5a917 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -2082,7 +2082,7 @@ static void shrink_active_list(unsigned long nr_to_scan, * If that fails and refaulting is observed, the inactive list grows. * * The inactive_ratio is the target ratio of ACTIVE to INACTIVE pages - * on this LRU, maintained by the pageout code. A zone->inactive_ratio + * on this LRU, maintained by the pageout code. An inactive_ratio * of 3 means 3:1 or 25% of the pages are kept on the inactive list. * * total target max diff --git a/mm/vmstat.c b/mm/vmstat.c index 4bb13e72ac97..7d11554861e4 100644 --- a/mm/vmstat.c +++ b/mm/vmstat.c @@ -1564,11 +1564,9 @@ static void zoneinfo_show_print(struct seq_file *m, pg_data_t *pgdat, } seq_printf(m, "\n node_unreclaimable: %u" - "\n start_pfn: %lu" - "\n node_inactive_ratio: %u", + "\n start_pfn: %lu", pgdat->kswapd_failures >= MAX_RECLAIM_RETRIES, - zone->zone_start_pfn, - zone->zone_pgdat->inactive_ratio); + zone->zone_start_pfn); seq_putc(m, '\n'); } |