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-rw-r--r--mm/page_alloc.c17
1 files changed, 9 insertions, 8 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 5782360..18cee0d 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -2639,14 +2639,6 @@ rebalance:
goto got_pg;
/*
- * It can become very expensive to allocate transparent hugepages at
- * fault, so use asynchronous memory compaction for THP unless it is
- * khugepaged trying to collapse.
- */
- if (!(gfp_mask & __GFP_NO_KSWAPD) || (current->flags & PF_KTHREAD))
- migration_mode = MIGRATE_SYNC_LIGHT;
-
- /*
* If compaction is deferred for high-order allocations, it is because
* sync compaction recently failed. In this is the case and the caller
* requested a movable allocation that does not heavily disrupt the
@@ -2656,6 +2648,15 @@ rebalance:
(gfp_mask & __GFP_NO_KSWAPD))
goto nopage;
+ /*
+ * It can become very expensive to allocate transparent hugepages at
+ * fault, so use asynchronous memory compaction for THP unless it is
+ * khugepaged trying to collapse.
+ */
+ if ((gfp_mask & GFP_TRANSHUGE) != GFP_TRANSHUGE ||
+ (current->flags & PF_KTHREAD))
+ migration_mode = MIGRATE_SYNC_LIGHT;
+
/* Try direct reclaim and then allocating */
page = __alloc_pages_direct_reclaim(gfp_mask, order,
zonelist, high_zoneidx,
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