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/DragonOS-0.1.7/kernel/src/mm/
Dmmio_buddy.rs457 let mut size_exp: u32 = 31 - size.leading_zeros(); in create_mmio() localVariable
462 if size_exp < PAGE_4K_SHIFT { in create_mmio()
464 size_exp = PAGE_4K_SHIFT; in create_mmio()
465 } else if (new_size & (!(1 << size_exp))) != 0 { in create_mmio()
467 size_exp += 1; in create_mmio()
468 new_size = 1 << size_exp; in create_mmio()
470 match MMIO_POOL.mmio_buddy_query_addr_region(size_exp) { in create_mmio()