Messages in this thread Patch in this message | | | From | Kemeng Shi <> | Subject | [PATCH v3 5/6] mm/compaction: improve comment of is_via_compact_memory | Date | Fri, 1 Sep 2023 23:51:40 +0800 |
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We do proactive compaction with order == -1 via 1. /proc/sys/vm/compact_memory 2. /sys/devices/system/node/nodex/compact 3. /proc/sys/vm/compaction_proactiveness Add missed situation in which order == -1.
Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com> Reviewed-by: Baolin Wang <baolin.wang@linux.alibaba.com> Acked-by: Mel Gorman <mgorman@techsingularity.net> --- mm/compaction.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/mm/compaction.c b/mm/compaction.c index c377d78e0f15..ff3426a0d9c5 100644 --- a/mm/compaction.c +++ b/mm/compaction.c @@ -2065,8 +2065,10 @@ static isolate_migrate_t isolate_migratepages(struct compact_control *cc) } /* - * order == -1 is expected when compacting via - * /proc/sys/vm/compact_memory + * order == -1 is expected when compacting proactively via + * 1. /proc/sys/vm/compact_memory + * 2. /sys/devices/system/node/nodex/compact + * 3. /proc/sys/vm/compaction_proactiveness */ static inline bool is_via_compact_memory(int order) { -- 2.30.0
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