x86: PAT: make pat_x_mtrr_type() more readable

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Clean up over-complications in pat_x_mtrr_type().
And if reserve_memtype() ignores stray req_type bits when
pat_enabled, it's better to mask them off when not also.

Signed-off-by: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

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Hugh Dickins 2008-06-16 18:42:43 +01:00 • committed by Ingo Molnar

parent faeca31d06

commit 6cf514fce1

1 changed files with 12 additions and 35 deletions

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arch/x86/mm/pat.c

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