Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
csky: Fixup pfn_valid error with wrong max_mapnr
The max_mapnr is the number of PFNs, not absolute PFN offset.
Using set_max_mapnr API instead of setting the value directly.
Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
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arch/csky/mm/init.c
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arch/csky/mm/init.c
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#ifdef CONFIG_HIGHMEM
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unsigned long tmp;
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max_mapnr = highend_pfn;
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set_max_mapnr(highend_pfn - ARCH_PFN_OFFSET);
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#else
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max_mapnr = max_low_pfn;
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set_max_mapnr(max_low_pfn - ARCH_PFN_OFFSET);
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#endif
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high_memory = (void *) __va(max_low_pfn << PAGE_SHIFT);
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