diff options
| author | Bibo Mao <maobibo@loongson.cn> | 2024-11-04 10:07:12 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-11-12 04:22:27 +0300 |
| commit | 7269ed4af344184ab9bdf318fe8864cf64849735 (patch) | |
| tree | 20f5d3a6f9a7992ca96e9464053cae616291b18b /include/linux | |
| parent | 7591c127f3b17d5879f18819cad7058bf3a2e276 (diff) | |
| download | linux-7269ed4af344184ab9bdf318fe8864cf64849735.tar.xz | |
mm: define general function pXd_init()
pud_init(), pmd_init() and kernel_pte_init() are duplicated defined in
file kasan.c and sparse-vmemmap.c as weak functions. Move them to generic
header file pgtable.h, architecture can redefine them.
Link: https://lkml.kernel.org/r/20241104070712.52902-1-maobibo@loongson.cn
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Huacai Chen <chenhuacai@loongson.cn>
Cc: Alexander Potapenko <glider@google.com>
Cc: Andrey Konovalov <andreyknvl@gmail.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Vincenzo Frascino <vincenzo.frascino@arm.com>
Cc: WANG Xuerui <kernel@xen0n.name>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/mm.h | 3 | ||||
| -rw-r--r-- | include/linux/pgtable.h | 21 |
2 files changed, 21 insertions, 3 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h index 32888a97ab44..5d6cd523c7c0 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -3819,9 +3819,6 @@ 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 pud_init(void *addr); -void pmd_init(void *addr); -void kernel_pte_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 23aeffd89a4e..adef9d6e9b1b 100644 --- a/include/linux/pgtable.h +++ b/include/linux/pgtable.h @@ -90,6 +90,27 @@ static inline unsigned long pud_index(unsigned long address) #define pgd_index(a) (((a) >> PGDIR_SHIFT) & (PTRS_PER_PGD - 1)) #endif +#ifndef kernel_pte_init +static inline void kernel_pte_init(void *addr) +{ +} +#define kernel_pte_init kernel_pte_init +#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) { |