[PATCH v2 2/2] arm64: mm: implement vmemmap_check_pmd for arm64

Zhenhua Huang quic_zhenhuah at quicinc.com
Mon Dec 9 01:42:27 PST 2024


vmemmap_check_pmd() is used to determine if needs to populate to base
pages. Implement it for arm64 arch.

Fixes: 2045a3b8911b ("mm/sparse-vmemmap: generalise vmemmap_populate_hugepages()")
Signed-off-by: Zhenhua Huang <quic_zhenhuah at quicinc.com>
---
 arch/arm64/mm/mmu.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c
index fd59ee44960e..41c7978a92be 100644
--- a/arch/arm64/mm/mmu.c
+++ b/arch/arm64/mm/mmu.c
@@ -1169,7 +1169,8 @@ int __meminit vmemmap_check_pmd(pmd_t *pmdp, int node,
 				unsigned long addr, unsigned long next)
 {
 	vmemmap_verify((pte_t *)pmdp, node, addr, next);
-	return 1;
+
+	return pmd_sect(*pmdp);
 }
 
 int __meminit vmemmap_populate(unsigned long start, unsigned long end, int node,
-- 
2.25.1




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