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-rw-r--r--mm/compaction.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/mm/compaction.c b/mm/compaction.c
index 0e0ef9e44530..1f89b969c12b 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -1848,6 +1848,8 @@ static unsigned long fast_find_migrateblock(struct compact_control *cc)
update_fast_start_pfn(cc, free_pfn);
pfn = pageblock_start_pfn(free_pfn);
+ if (pfn < cc->zone->zone_start_pfn)
+ pfn = cc->zone->zone_start_pfn;
cc->fast_search_fail = 0;
found_block = true;
set_pageblock_skip(freepage);