Messages in this thread Patch in this message | | | From | Ryan Roberts <> | Subject | [PATCH v4 3/5] arm64: mm: Override arch_wants_pte_order() | Date | Wed, 26 Jul 2023 10:51:44 +0100 |
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Define an arch-specific override of arch_wants_pte_order() so that when LARGE_ANON_FOLIO is enabled, large folios will be allocated for anonymous memory with an order that is compatible with arm64's contpte mappings.
Reviewed-by: Yu Zhao <yuzhao@google.com> Signed-off-by: Ryan Roberts <ryan.roberts@arm.com> --- arch/arm64/include/asm/pgtable.h | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h index 0bd18de9fd97..d00bb26fe28f 100644 --- a/arch/arm64/include/asm/pgtable.h +++ b/arch/arm64/include/asm/pgtable.h @@ -1106,6 +1106,12 @@ extern pte_t ptep_modify_prot_start(struct vm_area_struct *vma, extern void ptep_modify_prot_commit(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep, pte_t old_pte, pte_t new_pte); + +#define arch_wants_pte_order arch_wants_pte_order +static inline int arch_wants_pte_order(void) +{ + return CONT_PTE_SHIFT - PAGE_SHIFT; +} #endif /* !__ASSEMBLY__ */ #endif /* __ASM_PGTABLE_H */ -- 2.25.1
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