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mm: compaction: remove unnecessary is_via_compact_memory() checks

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Remove from all paths not reachable via /proc/sys/vm/compact_memory.

Link: https://lkml.kernel.org/r/20230519123959.77335-5-hannes@cmpxchg.org
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Baolin Wang <baolin.wang@linux.alibaba.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Johannes Weiner
2023-05-19 14:39:58 +02:00
committed by Andrew Morton
parent e8606320e9
commit f98a497e1f
2 changed files with 2 additions and 17 deletions
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8
mm/vmscan.c
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@@ -6399,9 +6399,6 @@ static inline bool should_continue_reclaim(struct pglist_data *pgdat,
if (!managed_zone(zone))
continue;
if (sc->order == -1) /* is_via_compact_memory() */
return false;
/* Allocation can already succeed, nothing to do */
if (zone_watermark_ok(zone, sc->order, min_wmark_pages(zone),
sc->reclaim_idx, 0))
@@ -6598,9 +6595,6 @@ static inline bool compaction_ready(struct zone *zone, struct scan_control *sc)
{
unsigned long watermark;
if (sc->order == -1) /* is_via_compact_memory() */
goto suitable;
/* Allocation can already succeed, nothing to do */
if (zone_watermark_ok(zone, sc->order, min_wmark_pages(zone),
sc->reclaim_idx, 0))
@@ -6610,7 +6604,7 @@ static inline bool compaction_ready(struct zone *zone, struct scan_control *sc)
if (compaction_suitable(zone, sc->order,
sc->reclaim_idx) == COMPACT_SKIPPED)
return false;
suitable:
/*
* Compaction is already possible, but it takes time to run and there
* are potentially other callers using the pages just freed. So proceed