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authorChristophe Leroy <christophe.leroy@csgroup.eu>2023-09-25 20:31:19 +0200
committerMichael Ellerman <mpe@ellerman.id.au>2023-10-19 17:12:44 +1100
commit93f81f6eea10f497e892c52998a2194b4e16c91d (patch)
treeb4efba182e496600d9d6c4c890bcebe0cc877c7c
parent3b8547ec4d35778c9f4cc261d85c0cae6c1a8ecb (diff)
powerpc: Deduplicate prototypes of ptep_set_access_flags() and phys_mem_access_prot()
Prototypes of ptep_set_access_flags() and phys_mem_access_prot() are identical for book3s and nohash. Deduplicate them. Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/b846832cce842a2852615b7356937fb9507e436d.1695659959.git.christophe.leroy@csgroup.eu
-rw-r--r--arch/powerpc/include/asm/book3s/pgtable.h9
-rw-r--r--arch/powerpc/include/asm/nohash/pgtable.h10
-rw-r--r--arch/powerpc/include/asm/pgtable.h10
3 files changed, 10 insertions, 19 deletions
diff --git a/arch/powerpc/include/asm/book3s/pgtable.h b/arch/powerpc/include/asm/book3s/pgtable.h
index 3b7bd36a2321..6f4578daea6c 100644
--- a/arch/powerpc/include/asm/book3s/pgtable.h
+++ b/arch/powerpc/include/asm/book3s/pgtable.h
@@ -9,15 +9,6 @@
#endif
#ifndef __ASSEMBLY__
-#define __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS
-extern int ptep_set_access_flags(struct vm_area_struct *vma, unsigned long address,
- pte_t *ptep, pte_t entry, int dirty);
-
-struct file;
-extern pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn,
- unsigned long size, pgprot_t vma_prot);
-#define __HAVE_PHYS_MEM_ACCESS_PROT
-
void __update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t *ptep);
/*
diff --git a/arch/powerpc/include/asm/nohash/pgtable.h b/arch/powerpc/include/asm/nohash/pgtable.h
index c721478c5934..5b6647fb398b 100644
--- a/arch/powerpc/include/asm/nohash/pgtable.h
+++ b/arch/powerpc/include/asm/nohash/pgtable.h
@@ -207,11 +207,6 @@ static inline void __set_pte_at(struct mm_struct *mm, unsigned long addr,
mb();
}
-
-#define __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS
-extern int ptep_set_access_flags(struct vm_area_struct *vma, unsigned long address,
- pte_t *ptep, pte_t entry, int dirty);
-
/*
* Macro to mark a page protection value as "uncacheable".
*/
@@ -240,11 +235,6 @@ extern int ptep_set_access_flags(struct vm_area_struct *vma, unsigned long addre
#define pgprot_writecombine pgprot_noncached_wc
-struct file;
-extern pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn,
- unsigned long size, pgprot_t vma_prot);
-#define __HAVE_PHYS_MEM_ACCESS_PROT
-
#ifdef CONFIG_HUGETLB_PAGE
static inline int hugepd_ok(hugepd_t hpd)
{
diff --git a/arch/powerpc/include/asm/pgtable.h b/arch/powerpc/include/asm/pgtable.h
index d0ee46de248e..bcdbdeda65d3 100644
--- a/arch/powerpc/include/asm/pgtable.h
+++ b/arch/powerpc/include/asm/pgtable.h
@@ -110,6 +110,16 @@ void mark_initmem_nx(void);
static inline void mark_initmem_nx(void) { }
#endif
+#define __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS
+int ptep_set_access_flags(struct vm_area_struct *vma, unsigned long address,
+ pte_t *ptep, pte_t entry, int dirty);
+
+struct file;
+pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn,
+ unsigned long size, pgprot_t vma_prot);
+#define __HAVE_PHYS_MEM_ACCESS_PROT
+
+
/*
* When used, PTE_FRAG_NR is defined in subarch pgtable.h
* so we are sure it is included when arriving here.