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4b5f32cee0
Currently there are two instances of struct meminfo: one in kernel/setup.c marked __initdata, and another in mm/init.c with permanent storage. Let's keep only the later to directly populate the permanent version from arm_add_memory(). Also move common validation tests between the MMU and non-MMU cases into arm_add_memory() to remove some duplication. Protection against overflowing the membank array is also moved in there in order to cover the kernel cmdline parsing path as well. Signed-off-by: Nicolas Pitre <nico@marvell.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
38 lines
779 B
C
38 lines
779 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_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(void);
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void reserve_node_zero(struct pglist_data *pgdat);
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extern void _text, _stext, _etext, __data_start, _end, __init_begin, __init_end;
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