[PATCH v1 09/19] powerpc/nohash: Refactor declaration of {map/unmap}_kernel_page()
From: Christophe Leroy <hidden>
Date: 2023-09-11 22:21:59
Also in:
lkml
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Linus Torvalds
map_kernel_page() and unmap_kernel_page() have the same prototypes on nohash/32 and nohash/64, keep only one declaration. Signed-off-by: Christophe Leroy <redacted> --- arch/powerpc/include/asm/nohash/32/pgtable.h | 8 -------- arch/powerpc/include/asm/nohash/64/pgtable.h | 2 -- arch/powerpc/include/asm/nohash/pgtable.h | 3 +++ arch/powerpc/mm/nohash/book3e_pgtable.c | 2 +- 4 files changed, 4 insertions(+), 11 deletions(-)
diff --git a/arch/powerpc/include/asm/nohash/32/pgtable.h b/arch/powerpc/include/asm/nohash/32/pgtable.h
index c8311ee08811..26289e4e767c 100644
--- a/arch/powerpc/include/asm/nohash/32/pgtable.h
+++ b/arch/powerpc/include/asm/nohash/32/pgtable.h@@ -58,14 +58,6 @@ extern int icache_44x_need_flush; #define pgd_ERROR(e) \ pr_err("%s:%d: bad pgd %08lx.\n", __FILE__, __LINE__, pgd_val(e)) -#ifndef __ASSEMBLY__ - -int map_kernel_page(unsigned long va, phys_addr_t pa, pgprot_t prot); -void unmap_kernel_page(unsigned long va); - -#endif /* !__ASSEMBLY__ */ - - /* * This is the bottom of the PKMAP area with HIGHMEM or an arbitrary * value (for now) on others, from where we can start layout kernel
diff --git a/arch/powerpc/include/asm/nohash/64/pgtable.h b/arch/powerpc/include/asm/nohash/64/pgtable.h
index dee3fc654d40..f5a8e8a9dba4 100644
--- a/arch/powerpc/include/asm/nohash/64/pgtable.h
+++ b/arch/powerpc/include/asm/nohash/64/pgtable.h@@ -309,8 +309,6 @@ static inline void __ptep_set_access_flags(struct vm_area_struct *vma, /* We borrow MSB 56 (LSB 7) to store the exclusive marker in swap PTEs. */ #define _PAGE_SWP_EXCLUSIVE 0x80 -int map_kernel_page(unsigned long ea, unsigned long pa, pgprot_t prot); -void unmap_kernel_page(unsigned long va); extern int __meminit vmemmap_create_mapping(unsigned long start, unsigned long page_size, unsigned long phys);
diff --git a/arch/powerpc/include/asm/nohash/pgtable.h b/arch/powerpc/include/asm/nohash/pgtable.h
index ab26af2b421a..3d684b500fe6 100644
--- a/arch/powerpc/include/asm/nohash/pgtable.h
+++ b/arch/powerpc/include/asm/nohash/pgtable.h@@ -242,5 +242,8 @@ static inline int pud_huge(pud_t pud) #define is_hugepd(hpd) (hugepd_ok(hpd)) #endif +int map_kernel_page(unsigned long va, phys_addr_t pa, pgprot_t prot); +void unmap_kernel_page(unsigned long va); + #endif /* __ASSEMBLY__ */ #endif
diff --git a/arch/powerpc/mm/nohash/book3e_pgtable.c b/arch/powerpc/mm/nohash/book3e_pgtable.c
index b80fc4a91a53..1c5e4ecbebeb 100644
--- a/arch/powerpc/mm/nohash/book3e_pgtable.c
+++ b/arch/powerpc/mm/nohash/book3e_pgtable.c@@ -71,7 +71,7 @@ static void __init *early_alloc_pgtable(unsigned long size) * map_kernel_page adds an entry to the ioremap page table * and adds an entry to the HPT, possibly bolting it */ -int __ref map_kernel_page(unsigned long ea, unsigned long pa, pgprot_t prot) +int __ref map_kernel_page(unsigned long ea, phys_addr_t pa, pgprot_t prot) { pgd_t *pgdp; p4d_t *p4dp;
--
2.41.0