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-rw-r--r--arch/loongarch/mm/hugetlbpage.c3
-rw-r--r--arch/loongarch/mm/init.c8
-rw-r--r--arch/loongarch/mm/pgtable.c9
3 files changed, 2 insertions, 18 deletions
diff --git a/arch/loongarch/mm/hugetlbpage.c b/arch/loongarch/mm/hugetlbpage.c
index cea84d7f2b91..02dad4624fe3 100644
--- a/arch/loongarch/mm/hugetlbpage.c
+++ b/arch/loongarch/mm/hugetlbpage.c
@@ -47,7 +47,8 @@ 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 || pmd_none(pmdp_get(pmd))) ? NULL : (pte_t *) pmd;
}
uint64_t pmd_to_entrylo(unsigned long pmd_val)
diff --git a/arch/loongarch/mm/init.c b/arch/loongarch/mm/init.c
index 06f11d9e4ec1..c3e4586a7975 100644
--- a/arch/loongarch/mm/init.c
+++ b/arch/loongarch/mm/init.c
@@ -106,14 +106,6 @@ void arch_remove_memory(u64 start, u64 size, struct vmem_altmap *altmap)
page += vmem_altmap_offset(altmap);
__remove_pages(start_pfn, nr_pages, altmap);
}
-
-#ifdef CONFIG_NUMA
-int memory_add_physaddr_to_nid(u64 start)
-{
- return pa_to_nid(start);
-}
-EXPORT_SYMBOL_GPL(memory_add_physaddr_to_nid);
-#endif
#endif
#ifdef CONFIG_SPARSEMEM_VMEMMAP
diff --git a/arch/loongarch/mm/pgtable.c b/arch/loongarch/mm/pgtable.c
index 22a94bb3e6e8..352d9b2e02ab 100644
--- a/arch/loongarch/mm/pgtable.c
+++ b/arch/loongarch/mm/pgtable.c
@@ -135,15 +135,6 @@ void kernel_pte_init(void *addr)
} while (p != end);
}
-pmd_t mk_pmd(struct page *page, pgprot_t prot)
-{
- pmd_t pmd;
-
- pmd_val(pmd) = (page_to_pfn(page) << PFN_PTE_SHIFT) | pgprot_val(prot);
-
- return pmd;
-}
-
void set_pmd_at(struct mm_struct *mm, unsigned long addr,
pmd_t *pmdp, pmd_t pmd)
{