* [PATCH] mm: Fix compile error due to COMPACTION_HPAGE_ORDER
@ 2020-06-23 6:45 Nitin Gupta
0 siblings, 0 replies; only message in thread
From: Nitin Gupta @ 2020-06-23 6:45 UTC (permalink / raw)
To: Andrew Morton
Cc: Nitin Gupta, Nitin Gupta, Nathan Chancellor,
open list:MEMORY MANAGEMENT, open list
Fix compile error when COMPACTION_HPAGE_ORDER is assigned
to HUGETLB_PAGE_ORDER. The correct way to check if this
constant is defined is to check for CONFIG_HUGETLBFS.
Signed-off-by: Nitin Gupta <nigupta@nvidia.com>
To: Andrew Morton <akpm@linux-foundation.org>
Reported-by: Nathan Chancellor <natechancellor@gmail.com>
Tested-by: Nathan Chancellor <natechancellor@gmail.com>
---
mm/compaction.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/compaction.c b/mm/compaction.c
index 45fd24a0ea0b..02963ffb9e70 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -62,7 +62,7 @@ static const unsigned int HPAGE_FRAG_CHECK_INTERVAL_MSEC = 500;
*/
#if defined CONFIG_TRANSPARENT_HUGEPAGE
#define COMPACTION_HPAGE_ORDER HPAGE_PMD_ORDER
-#elif defined HUGETLB_PAGE_ORDER
+#elif defined CONFIG_HUGETLBFS
#define COMPACTION_HPAGE_ORDER HUGETLB_PAGE_ORDER
#else
#define COMPACTION_HPAGE_ORDER (PMD_SHIFT - PAGE_SHIFT)
--
2.27.0
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