Function pmd_init() and pud_init() are duplicated defined in file kasan.c
and sparse-vmemmap.c as weak function. Now move them to generic header
file pgtable.h, architecture can redefine them.
Signed-off-by: Bibo Mao <maobibo@xxxxxxxxxxx>
---
arch/loongarch/include/asm/pgtable.h | 2 ++
arch/mips/include/asm/pgtable-64.h | 2 ++
include/linux/mm.h | 2 --
include/linux/pgtable.h | 14 ++++++++++++++
mm/kasan/init.c | 8 --------
mm/sparse-vmemmap.c | 8 --------
6 files changed, 18 insertions(+), 18 deletions(-)
diff --git a/arch/loongarch/include/asm/pgtable.h b/arch/loongarch/include/asm/pgtable.h
index 9965f52ef65b..8bd653a6fa70 100644
--- a/arch/loongarch/include/asm/pgtable.h
+++ b/arch/loongarch/include/asm/pgtable.h
@@ -267,7 +267,9 @@ extern void set_pmd_at(struct mm_struct *mm, unsigned long addr, pmd_t *pmdp, pm
* Initialize a new pgd / pud / pmd table with invalid pointers.
*/
extern void pgd_init(void *addr);
+#define pud_init pud_init
extern void pud_init(void *addr);
+#define pmd_init pmd_init
extern void pmd_init(void *addr);
/*
diff --git a/arch/mips/include/asm/pgtable-64.h b/arch/mips/include/asm/pgtable-64.h
index 401c1d9e4409..45c8572a0462 100644
--- a/arch/mips/include/asm/pgtable-64.h
+++ b/arch/mips/include/asm/pgtable-64.h
@@ -316,7 +316,9 @@ static inline pmd_t *pud_pgtable(pud_t pud)
* Initialize a new pgd / pud / pmd table with invalid pointers.
*/
extern void pgd_init(void *addr);
+#define pud_init pud_init
extern void pud_init(void *addr);
+#define pmd_init pmd_init
extern void pmd_init(void *addr);
/*
diff --git a/include/linux/mm.h b/include/linux/mm.h
index ecf63d2b0582..651bdc1bef48 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -3818,8 +3818,6 @@ void *sparse_buffer_alloc(unsigned long size);
struct page * __populate_section_memmap(unsigned long pfn,
unsigned long nr_pages, int nid, struct vmem_altmap *altmap,
struct dev_pagemap *pgmap);
-void pmd_init(void *addr);
-void pud_init(void *addr);
pgd_t *vmemmap_pgd_populate(unsigned long addr, int node);
p4d_t *vmemmap_p4d_populate(pgd_t *pgd, unsigned long addr, int node);
pud_t *vmemmap_pud_populate(p4d_t *p4d, unsigned long addr, int node);
diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h
index e8b2ac6bd2ae..bec5356ee644 100644
--- a/include/linux/pgtable.h
+++ b/include/linux/pgtable.h
@@ -90,6 +90,20 @@ static inline unsigned long pud_index(unsigned long address)
#define pgd_index(a) (((a) >> PGDIR_SHIFT) & (PTRS_PER_PGD - 1))
#endif
+#ifndef pmd_init
+static inline void pmd_init(void *addr)
+{
+}
+#define pmd_init pmd_init
+#endif
+
+#ifndef pud_init
+static inline void pud_init(void *addr)
+{
+}
+#define pud_init pud_init
+#endif
+
#ifndef pte_offset_kernel
static inline pte_t *pte_offset_kernel(pmd_t *pmd, unsigned long address)
{
diff --git a/mm/kasan/init.c b/mm/kasan/init.c
index 89895f38f722..6b2dac62e63a 100644
--- a/mm/kasan/init.c
+++ b/mm/kasan/init.c
@@ -139,10 +139,6 @@ static int __ref zero_pmd_populate(pud_t *pud, unsigned long addr,
return 0;
}
-void __weak __meminit pmd_init(void *addr)
-{
-}
-
static int __ref zero_pud_populate(p4d_t *p4d, unsigned long addr,
unsigned long end)
{
@@ -181,10 +177,6 @@ static int __ref zero_pud_populate(p4d_t *p4d, unsigned long addr,
return 0;
}
-void __weak __meminit pud_init(void *addr)
-{
-}
-
static int __ref zero_p4d_populate(pgd_t *pgd, unsigned long addr,
unsigned long end)
{
diff --git a/mm/sparse-vmemmap.c b/mm/sparse-vmemmap.c
index edcc7a6b0f6f..a0c884947861 100644
--- a/mm/sparse-vmemmap.c
+++ b/mm/sparse-vmemmap.c
@@ -196,10 +196,6 @@ pmd_t * __meminit vmemmap_pmd_populate(pud_t *pud, unsigned long addr, int node)
return pmd;
}
-void __weak __meminit pmd_init(void *addr)
-{
-}
-
pud_t * __meminit vmemmap_pud_populate(p4d_t *p4d, unsigned long addr, int node)
{
pud_t *pud = pud_offset(p4d, addr);
@@ -213,10 +209,6 @@ pud_t * __meminit vmemmap_pud_populate(p4d_t *p4d, unsigned long addr, int node)
return pud;
}
-void __weak __meminit pud_init(void *addr)
-{
-}
-
p4d_t * __meminit vmemmap_p4d_populate(pgd_t *pgd, unsigned long addr, int node)
{
p4d_t *p4d = p4d_offset(pgd, addr);
base-commit: 87d6aab2389e5ce0197d8257d5f8ee965a67c4cd
--
2.39.3
