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git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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kernel
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linux
[ARM] 4388/1: no need for arm/mm mmap range checks for non-mmu
We don't need valid_phys_addr_range() or valid_mmap_phys_addr_range()
for the !CONFIG_MMU case.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
authored by Greg Ungerer and committed by Russell King 95ba71f7 1d28bff7
+2
include/asm-arm/io.h
+2
include/asm-arm/io.h
···
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#define BIOVEC_MERGEABLE(vec1, vec2) \
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((bvec_to_phys((vec1)) + (vec1)->bv_len) == bvec_to_phys((vec2)))
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#define ARCH_HAS_VALID_PHYS_ADDR_RANGE
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extern int valid_phys_addr_range(unsigned long addr, size_t size);
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extern int valid_mmap_phys_addr_range(unsigned long pfn, size_t size);
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/*
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* Convert a physical pointer to a virtual kernel pointer for /dev/mem
···
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#define BIOVEC_MERGEABLE(vec1, vec2) \
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((bvec_to_phys((vec1)) + (vec1)->bv_len) == bvec_to_phys((vec2)))
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+
#ifdef CONFIG_MMU
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#define ARCH_HAS_VALID_PHYS_ADDR_RANGE
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extern int valid_phys_addr_range(unsigned long addr, size_t size);
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extern int valid_mmap_phys_addr_range(unsigned long pfn, size_t size);
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+
#endif
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/*
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* Convert a physical pointer to a virtual kernel pointer for /dev/mem