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Subject[PATCH 3/4] x86/mm: init_64: make set_pte_vaddr_p4d static
Date
From: Mike Rapoport <rppt@linux.ibm.com>

The function set_pte_vaddr_p4d() is never called outside the file
arch/x86/mm/init_64.c.

Make it static.

Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
---
arch/x86/include/asm/pgtable_64.h | 1 -
arch/x86/mm/init_64.c | 3 ++-
2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/include/asm/pgtable_64.h b/arch/x86/include/asm/pgtable_64.h
index 56d0399a0cd1..9f4b6d48ce2b 100644
--- a/arch/x86/include/asm/pgtable_64.h
+++ b/arch/x86/include/asm/pgtable_64.h
@@ -59,7 +59,6 @@ static inline bool mm_p4d_folded(struct mm_struct *mm)
return !pgtable_l5_enabled();
}

-void set_pte_vaddr_p4d(p4d_t *p4d_page, unsigned long vaddr, pte_t new_pte);
void set_pte_vaddr_pud(pud_t *pud_page, unsigned long vaddr, pte_t new_pte);

static inline void native_set_pte(pte_t *ptep, pte_t pte)
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index 9a24532d2b85..e46d2f18d895 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -302,7 +302,8 @@ static void __set_pte_vaddr(pud_t *pud, unsigned long vaddr, pte_t new_pte)
flush_tlb_one_kernel(vaddr);
}

-void set_pte_vaddr_p4d(p4d_t *p4d_page, unsigned long vaddr, pte_t new_pte)
+static void set_pte_vaddr_p4d(p4d_t *p4d_page, unsigned long vaddr,
+ pte_t new_pte)
{
p4d_t *p4d = p4d_page + p4d_index(vaddr);
pud_t *pud = fill_pud(p4d, vaddr);
--
2.28.0
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