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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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c172cc92c8
Add prot_pte_ext to the mem_types table to allow the extended pte attributes to be passed to set_pte_ext(), thereby permitting us to specify memory type information for the hardware PTE entries. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
38 lines
739 B
C
38 lines
739 B
C
/* the upper-most page table pointer */
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#ifdef CONFIG_MMU
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extern pmd_t *top_pmd;
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#define TOP_PTE(x) pte_offset_kernel(top_pmd, x)
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static inline pmd_t *pmd_off(pgd_t *pgd, unsigned long virt)
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{
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return pmd_offset(pgd, virt);
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}
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static inline pmd_t *pmd_off_k(unsigned long virt)
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{
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return pmd_off(pgd_offset_k(virt), virt);
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}
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struct mem_type {
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unsigned int prot_pte;
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unsigned int prot_pte_ext;
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unsigned int prot_l1;
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unsigned int prot_sect;
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unsigned int domain;
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};
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const struct mem_type *get_mem_type(unsigned int type);
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#endif
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struct map_desc;
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struct meminfo;
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struct pglist_data;
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void __init create_mapping(struct map_desc *md);
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void __init bootmem_init(struct meminfo *mi);
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void reserve_node_zero(struct pglist_data *pgdat);
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