From: Mateusz Nosek <[email protected]> The same code can work both for 'zone->compact_considered > defer_limit' and 'zone->compact_considered >= defer_limit'. In the latter there is one branch less which is more effective considering performance.
Signed-off-by: Mateusz Nosek <[email protected]> --- mm/compaction.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/mm/compaction.c b/mm/compaction.c index 176dcded298e..6c63844fc061 100644 --- a/mm/compaction.c +++ b/mm/compaction.c @@ -180,11 +180,10 @@ bool compaction_deferred(struct zone *zone, int order) return false; /* Avoid possible overflow */ - if (++zone->compact_considered > defer_limit) + if (++zone->compact_considered >= defer_limit) { zone->compact_considered = defer_limit; - - if (zone->compact_considered >= defer_limit) return false; + } trace_mm_compaction_deferred(zone, order); -- 2.20.1
