* [PATCH v5 27/38] um: Implement the new page table range API
[not found] <20230710204339.3554919-1-willy@infradead.org>
@ 2023-07-10 20:43 ` Matthew Wilcox (Oracle)
0 siblings, 0 replies; only message in thread
From: Matthew Wilcox (Oracle) @ 2023-07-10 20:43 UTC (permalink / raw)
To: Andrew Morton
Cc: Matthew Wilcox (Oracle), linux-arch, linux-mm, linux-kernel,
Mike Rapoport, Richard Weinberger, Anton Ivanov, Johannes Berg,
linux-um
Add PFN_PTE_SHIFT and update_mmu_cache_range().
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>
Cc: linux-um@lists.infradead.org
---
arch/um/include/asm/pgtable.h | 7 ++-----
1 file 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
--
2.39.2
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