__kernel_map_pages() is almost identical for PPC32 and RADIX.
Refactor it.
On PPC32 it is not needed for KFENCE, but to keep it simple
just make it similar to PPC64.
Signed-off-by: Christophe Leroy <christophe.le...@csgroup.eu>
---
arch/powerpc/include/asm/book3s/64/pgtable.h | 10 ----------
arch/powerpc/include/asm/book3s/64/radix.h | 2 --
arch/powerpc/mm/book3s64/radix_pgtable.c | 14 --------------
arch/powerpc/mm/pageattr.c | 19 +++++++++++++++++++
arch/powerpc/mm/pgtable_32.c | 15 ---------------
5 files changed, 19 insertions(+), 41 deletions(-)
diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h
b/arch/powerpc/include/asm/book3s/64/pgtable.h
index 927d585652bc..62c43d3d80ec 100644
--- a/arch/powerpc/include/asm/book3s/64/pgtable.h
+++ b/arch/powerpc/include/asm/book3s/64/pgtable.h
@@ -1027,16 +1027,6 @@ static inline void vmemmap_remove_mapping(unsigned long
start,
}
#endif
-#if defined(CONFIG_DEBUG_PAGEALLOC) || defined(CONFIG_KFENCE)
-static inline void __kernel_map_pages(struct page *page, int numpages, int
enable)
-{
- if (radix_enabled())
- radix__kernel_map_pages(page, numpages, enable);
- else
- hash__kernel_map_pages(page, numpages, enable);
-}
-#endif
-
static inline pte_t pmd_pte(pmd_t pmd)
{
return __pte_raw(pmd_raw(pmd));
diff --git a/arch/powerpc/include/asm/book3s/64/radix.h
b/arch/powerpc/include/asm/book3s/64/radix.h
index 357e23a403d3..8f55ff74bb68 100644
--- a/arch/powerpc/include/asm/book3s/64/radix.h
+++ b/arch/powerpc/include/asm/book3s/64/radix.h
@@ -362,8 +362,6 @@ int radix__create_section_mapping(unsigned long start,
unsigned long end,
int radix__remove_section_mapping(unsigned long start, unsigned long end);
#endif /* CONFIG_MEMORY_HOTPLUG */
-void radix__kernel_map_pages(struct page *page, int numpages, int enable);
-
#ifdef CONFIG_ARCH_WANT_OPTIMIZE_DAX_VMEMMAP
#define vmemmap_can_optimize vmemmap_can_optimize
bool vmemmap_can_optimize(struct vmem_altmap *altmap, struct dev_pagemap
*pgmap);
diff --git a/arch/powerpc/mm/book3s64/radix_pgtable.c
b/arch/powerpc/mm/book3s64/radix_pgtable.c
index c6a4ac766b2b..e16e2fd104c5 100644
--- a/arch/powerpc/mm/book3s64/radix_pgtable.c
+++ b/arch/powerpc/mm/book3s64/radix_pgtable.c
@@ -1339,20 +1339,6 @@ void __ref radix__vmemmap_free(unsigned long start,
unsigned long end,
#endif
#endif
-#if defined(CONFIG_DEBUG_PAGEALLOC) || defined(CONFIG_KFENCE)
-void radix__kernel_map_pages(struct page *page, int numpages, int enable)
-{
- unsigned long addr;
-
- addr = (unsigned long)page_address(page);
-
- if (enable)
- set_memory_p(addr, numpages);
- else
- set_memory_np(addr, numpages);
-}
-#endif
-
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
unsigned long radix__pmd_hugepage_update(struct mm_struct *mm, unsigned long
addr,
diff --git a/arch/powerpc/mm/pageattr.c b/arch/powerpc/mm/pageattr.c
index 421db7c4f2a4..16b8d20d6ca8 100644
--- a/arch/powerpc/mm/pageattr.c
+++ b/arch/powerpc/mm/pageattr.c
@@ -101,3 +101,22 @@ int change_memory_attr(unsigned long addr, int numpages,
long action)
return apply_to_existing_page_range(&init_mm, start, size,
change_page_attr, (void *)action);
}
+
+#if defined(CONFIG_DEBUG_PAGEALLOC) || defined(CONFIG_KFENCE)
+#ifdef CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC
+void __kernel_map_pages(struct page *page, int numpages, int enable)
+{
+ unsigned long addr = (unsigned long)page_address(page);
+
+ if (PageHighMem(page))
+ return;
+
+ if (IS_ENABLED(CONFIG_PPC_BOOK3S_64) && !radix_enabled())
+ hash__kernel_map_pages(page, numpages, enable);
+ else if (enable)
+ set_memory_p(addr, numpages);
+ else
+ set_memory_np(addr, numpages);
+}
+#endif
+#endif
diff --git a/arch/powerpc/mm/pgtable_32.c b/arch/powerpc/mm/pgtable_32.c
index e94919853ca3..4be97b4a44f9 100644
--- a/arch/powerpc/mm/pgtable_32.c
+++ b/arch/powerpc/mm/pgtable_32.c
@@ -188,18 +188,3 @@ void mark_rodata_ro(void)
ptdump_check_wx();
}
#endif
-
-#if defined(CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC) &&
defined(CONFIG_DEBUG_PAGEALLOC)
-void __kernel_map_pages(struct page *page, int numpages, int enable)
-{
- unsigned long addr = (unsigned long)page_address(page);
-
- if (PageHighMem(page))
- return;
-
- if (enable)
- set_memory_p(addr, numpages);
- else
- set_memory_np(addr, numpages);
-}
-#endif /* CONFIG_DEBUG_PAGEALLOC */
--
2.43.0
