Commit 037d9303 authored May 01, 2020 by Guixiong Wei Committed by Will Deacon Apr 30, 2020

arm: mm: use __pfn_to_section() to get mem_section



Replace the open-coded '__nr_to_section(pfn_to_section_nr(pfn))' in
pfn_valid() with a more concise call to '__pfn_to_section(pfn)'.

No functional change.

Signed-off-by: Guixiong Wei <guixiongwei@gmail.com>
Link: https://lore.kernel.org/r/20200430161858.11379-1-guixiongwei@gmail.com


Signed-off-by: Will Deacon <will@kernel.org>

parent ada66f18

arch/arm64/mm/init.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -272,7 +272,7 @@ int pfn_valid(unsigned long pfn)
		if (pfn_to_section_nr(pfn) >= NR_MEM_SECTIONS)
		return 0;

		if (!valid_section(__nr_to_section(pfn_to_section_nr(pfn))))
		if (!valid_section(__pfn_to_section(pfn)))
		return 0;
		#endif
		return memblock_is_map_memory(addr);

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