On 7/29/2023 1:10 AM, Kemeng Shi wrote:
Commit e380bebe47715 ("mm, compaction: keep migration source private to
a single compaction instance") moved update of async and sync
compact_cached_migrate_pfn from update_pageblock_skip to
update_cached_migrate but left the comment behind.
Move the relevant comment to correct this.
Signed-off-by: Kemeng Shi <shikemeng@xxxxxxxxxxxxxxx>
Reviewed-by: Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx>
---
mm/compaction.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/compaction.c b/mm/compaction.c
index 09c36251c613..1eebb61a1f63 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -464,6 +464,7 @@ static void update_cached_migrate(struct compact_control *cc, unsigned long pfn)
pfn = pageblock_end_pfn(pfn);
+ /* Update where async and sync compaction should restart */
if (pfn > zone->compact_cached_migrate_pfn[0])
zone->compact_cached_migrate_pfn[0] = pfn;
if (cc->mode != MIGRATE_ASYNC &&
@@ -485,7 +486,6 @@ static void update_pageblock_skip(struct compact_control *cc,
set_pageblock_skip(page);
- /* Update where async and sync compaction should restart */
if (pfn < zone->compact_cached_free_pfn)
zone->compact_cached_free_pfn = pfn;
}
