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v0.5.1
https://github.com/torvalds/linux
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Tip revision: def9d2780727cec3313ed3522d0123158d87224d authored by Linus Torvalds on 20 January 2020, 00:02:49 UTC
Linux 5.5-rc7
Tip revision: def9d27
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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