For non-4K PAGE_SIZE configs, the largest gigantic huge page size is
CONT_PMD_SHIFT order.
Fixes: abb7962adc80 ("arm64/hugetlb: Reserve CMA areas for gigantic
pages on 16K and 64K configs")
Signed-off-by: Mike Kravetz <mike.kravetz@xxxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx>
---
arch/arm64/mm/hugetlbpage.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm64/mm/hugetlbpage.c b/arch/arm64/mm/hugetlbpage.c
index 23505fc35324..a8158c948966 100644
--- a/arch/arm64/mm/hugetlbpage.c
+++ b/arch/arm64/mm/hugetlbpage.c
@@ -43,7 +43,7 @@ void __init arm64_hugetlb_cma_reserve(void)
#ifdef CONFIG_ARM64_4K_PAGES
order = PUD_SHIFT - PAGE_SHIFT;
#else
- order = CONT_PMD_SHIFT + PMD_SHIFT - PAGE_SHIFT;
+ order = CONT_PMD_SHIFT - PAGE_SHIFT;
#endif
/*
* HugeTLB CMA reservation is required for gigantic
--
2.31.1
