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mm/vmscan: reclaim only affects managed_zones

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As mentioned in commit 6aa303defb ("mm, vmscan: only allocate and
reclaim from zones with pages managed by the buddy allocator") , reclaim
only affects managed_zones.

Let's adjust the code and comment accordingly.

Link: https://lkml.kernel.org/r/20220327024101.10378-1-richard.weiyang@gmail.com
Signed-off-by: Wei Yang <richard.weiyang@gmail.com>
Reviewed-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Oscar Salvador <osalvador@suse.de>
Cc: "Huang, Ying" <ying.huang@intel.com>
Cc: Mel Gorman <mgorman@techsingularity.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Wei Yang 2022-04-28 23:16:03 -07:00 committed by akpm
parent 1e63ac088f
commit 36c26128b8
1 changed files with 2 additions and 2 deletions
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4
mm/vmscan.c
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@ -1031,7 +1031,7 @@ static bool skip_throttle_noprogress(pg_data_t *pgdat)
for (i = 0; i < MAX_NR_ZONES; i++) {
struct zone *zone = pgdat->node_zones + i;
if (!populated_zone(zone))
if (!managed_zone(zone))
continue;
reclaimable += zone_reclaimable_pages(zone);
@ -3912,7 +3912,7 @@ static bool pgdat_balanced(pg_data_t *pgdat, int order, int highest_zoneidx)
}
/*
* If a node has no populated zone within highest_zoneidx, it does not
* If a node has no managed zone within highest_zoneidx, it does not
* need balancing by definition. This can happen if a zone-restricted
* allocation tries to wake a remote kswapd.
*/