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https://github.com/torvalds/linux
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Tip revision: 7e57714cd0ad2d5bb90e50b5096a0e671dec1ef3 authored by Linus Torvalds on 27 February 2022, 22:36:33 UTC
Linux 5.17-rc6
Tip revision: 7e57714
sparsemem.h
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _MIPS_SPARSEMEM_H
#define _MIPS_SPARSEMEM_H
#ifdef CONFIG_SPARSEMEM

/*
 * SECTION_SIZE_BITS		2^N: how big each section will be
 * MAX_PHYSMEM_BITS		2^N: how much memory we can have in that space
 */
#if defined(CONFIG_MIPS_HUGE_TLB_SUPPORT) && defined(CONFIG_PAGE_SIZE_64KB)
# define SECTION_SIZE_BITS	29
#else
# define SECTION_SIZE_BITS	28
#endif
#define MAX_PHYSMEM_BITS	48

#endif /* CONFIG_SPARSEMEM */
#endif /* _MIPS_SPARSEMEM_H */
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