文件操作 - sparsemem.h
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文件: /usr/src/linux-headers-5.15.0-186/arch/alpha/include/asm/sparsemem.h
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/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_ALPHA_SPARSEMEM_H #define _ASM_ALPHA_SPARSEMEM_H #ifdef CONFIG_SPARSEMEM #define SECTION_SIZE_BITS 27 /* * According to "Alpha Architecture Reference Manual" physical * addresses are at most 48 bits. * https://download.majix.org/dec/alpha_arch_ref.pdf */ #define MAX_PHYSMEM_BITS 48 #endif /* CONFIG_SPARSEMEM */ #endif /* _ASM_ALPHA_SPARSEMEM_H */
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