In 6.1 there is no pmdp_get() definition, so use *pmd directly, in order to avoid such build error due to a recently backport:
arch/loongarch/mm/hugetlbpage.c: In function 'huge_pte_offset': arch/loongarch/mm/hugetlbpage.c:50:25: error: implicit declaration of function 'pmdp_get'; did you mean 'ptep_get'? [-Wimplicit-function-declaration] 50 | return pmd_none(pmdp_get(pmd)) ? NULL : (pte_t *) pmd; | ^~~~~~~~ | ptep_get
Signed-off-by: Huacai Chen chenhuacai@loongson.cn --- arch/loongarch/mm/hugetlbpage.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/loongarch/mm/hugetlbpage.c b/arch/loongarch/mm/hugetlbpage.c index cf3b8785a921..70b4a51885c2 100644 --- a/arch/loongarch/mm/hugetlbpage.c +++ b/arch/loongarch/mm/hugetlbpage.c @@ -47,7 +47,7 @@ pte_t *huge_pte_offset(struct mm_struct *mm, unsigned long addr, pmd = pmd_offset(pud, addr); } } - return pmd_none(pmdp_get(pmd)) ? NULL : (pte_t *) pmd; + return pmd_none(*pmd) ? NULL : (pte_t *) pmd; }
/*
On Sun, May 04, 2025 at 10:10:54AM +0800, Huacai Chen wrote:
In 6.1 there is no pmdp_get() definition, so use *pmd directly, in order to avoid such build error due to a recently backport:
arch/loongarch/mm/hugetlbpage.c: In function 'huge_pte_offset': arch/loongarch/mm/hugetlbpage.c:50:25: error: implicit declaration of function 'pmdp_get'; did you mean 'ptep_get'? [-Wimplicit-function-declaration] 50 | return pmd_none(pmdp_get(pmd)) ? NULL : (pte_t *) pmd; | ^~~~~~~~ | ptep_get
Signed-off-by: Huacai Chen chenhuacai@loongson.cn
arch/loongarch/mm/hugetlbpage.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/loongarch/mm/hugetlbpage.c b/arch/loongarch/mm/hugetlbpage.c index cf3b8785a921..70b4a51885c2 100644 --- a/arch/loongarch/mm/hugetlbpage.c +++ b/arch/loongarch/mm/hugetlbpage.c @@ -47,7 +47,7 @@ pte_t *huge_pte_offset(struct mm_struct *mm, unsigned long addr, pmd = pmd_offset(pud, addr); } }
- return pmd_none(pmdp_get(pmd)) ? NULL : (pte_t *) pmd;
- return pmd_none(*pmd) ? NULL : (pte_t *) pmd;
} /* -- 2.47.1
Thanks for the fix!
[ Sasha's backport helper bot ]
Hi,
Summary of potential issues: ⚠️ Could not find matching upstream commit
No upstream commit was identified. Using temporary commit for testing.
Results of testing on various branches:
| Branch | Patch Apply | Build Test | |---------------------------|-------------|------------| | stable/linux-6.1.y | Success | Success |
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