1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _ASM_ALPHA_SPARSEMEM_H 3 #define _ASM_ALPHA_SPARSEMEM_H 4 5 #ifdef CONFIG_SPARSEMEM 6 7 #define SECTION_SIZE_BITS 27 8 9 /* 10 * According to "Alpha Architecture Reference Manual" physical 11 * addresses are at most 48 bits. 12 * https://download.majix.org/dec/alpha_arch_ref.pdf 13 */ 14 #define MAX_PHYSMEM_BITS 48 15 16 #endif /* CONFIG_SPARSEMEM */ 17 18 #endif /* _ASM_ALPHA_SPARSEMEM_H */ 19