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| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2023-08-02 16:13:55 +0100 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-08-24 16:20:24 -0700 |
| commit | fd8132e6e9fdecb9ff7d1db98014d372e03f3c9d (patch) | |
| tree | c9e8cee5f5297987f2f9f1c871b195ca8930031d /arch/um | |
| parent | 1a10a44dfc1d55ba84987da1f8377258a044499c (diff) | |
| download | linux-fd8132e6e9fdecb9ff7d1db98014d372e03f3c9d.tar.gz linux-fd8132e6e9fdecb9ff7d1db98014d372e03f3c9d.tar.bz2 linux-fd8132e6e9fdecb9ff7d1db98014d372e03f3c9d.zip | |
um: implement the new page table range API
Add PFN_PTE_SHIFT and update_mmu_cache_range().
Link: https://lkml.kernel.org/r/20230802151406.3735276-28-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Acked-by: Mike Rapoport (IBM) <rppt@kernel.org>
Cc: Richard Weinberger <richard@nod.at>
Cc: Anton Ivanov <anton.ivanov@cambridgegreys.com>
Cc: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'arch/um')
| -rw-r--r-- | arch/um/include/asm/pgtable.h | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/arch/um/include/asm/pgtable.h b/arch/um/include/asm/pgtable.h index a70d1618eb35..44f6c76167d9 100644 --- a/arch/um/include/asm/pgtable.h +++ b/arch/um/include/asm/pgtable.h @@ -242,11 +242,7 @@ static inline void set_pte(pte_t *pteptr, pte_t pteval) if(pte_present(*pteptr)) *pteptr = pte_mknewprot(*pteptr); } -static inline void set_pte_at(struct mm_struct *mm, unsigned long addr, - pte_t *pteptr, pte_t pteval) -{ - set_pte(pteptr, pteval); -} +#define PFN_PTE_SHIFT PAGE_SHIFT #define __HAVE_ARCH_PTE_SAME static inline int pte_same(pte_t pte_a, pte_t pte_b) @@ -290,6 +286,7 @@ struct mm_struct; extern pte_t *virt_to_pte(struct mm_struct *mm, unsigned long addr); #define update_mmu_cache(vma,address,ptep) do {} while (0) +#define update_mmu_cache_range(vmf, vma, address, ptep, nr) do {} while (0) /* * Encode/decode swap entries and swap PTEs. Swap PTEs are all PTEs that |