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/DragonOS/kernel/src/mm/
H A Dmmio_buddy.rs492 let mut size_exp: u32 = 63 - size.leading_zeros(); in create_mmio() localVariable
498 if size_exp < PAGE_4K_SHIFT as u32 { in create_mmio()
500 size_exp = PAGE_4K_SHIFT as u32; in create_mmio()
501 } else if (new_size & (!(1 << size_exp))) != 0 { in create_mmio()
503 size_exp += 1; in create_mmio()
504 new_size = 1 << size_exp; in create_mmio()
506 match self.mmio_buddy_query_addr_region(size_exp) { in create_mmio()