x86: mtrr_cleanup: first 1M may be covered in var mtrrs

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The first 1M is don't care when it comes to the variables MTRRs.
Cover it as WB as a heuristic approximation; this is generally what we
want to minimize the number of registers.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>

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Yinghai Lu 2008-10-04 14:50:32 -07:00 • committed by H. Peter Anvin

parent 42fde7a05c

commit 99e1aa17ce

1 changed files with 9 additions and 0 deletions

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arch/x86/kernel/cpu/mtrr/main.c

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