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27811d8cab
We have almost the same code for mtrr cleanup and amd_bus checkup, and this code will also be used in replacing bootmem with early_res, so try to move them together and reuse it from different parts. Also rename update_range to subtract_range as that is what the function is actually doing. -v2: update comments as Christoph requested Signed-off-by: Yinghai Lu <yinghai@kernel.org> LKML-Reference: <1265793639-15071-4-git-send-email-yinghai@kernel.org> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
22 lines
451 B
C
22 lines
451 B
C
#ifndef _LINUX_RANGE_H
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#define _LINUX_RANGE_H
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struct range {
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u64 start;
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u64 end;
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};
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int add_range(struct range *range, int az, int nr_range,
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u64 start, u64 end);
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int add_range_with_merge(struct range *range, int az, int nr_range,
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u64 start, u64 end);
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void subtract_range(struct range *range, int az, u64 start, u64 end);
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int clean_sort_range(struct range *range, int az);
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void sort_range(struct range *range, int nr_range);
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#endif
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