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| author |   H. Peter Anvin <hpa@zytor.com> | 2009-11-30 21:33:51 -0800 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2009-11-30 21:33:51 -0800 |
| commit | ccef086454d4c97e7b722e9303390207d681cb4c (patch) | |
| tree | 2dce23edf190368aab9afa7af6b4abec99930089 /arch/x86/Kconfig.cpu | |
| parent | x86/pat: Trivial: don't create debugfs for memtype if pat is disabled (diff) | |
| download | wireguard-linux-ccef086454d4c97e7b722e9303390207d681cb4c.tar.xz wireguard-linux-ccef086454d4c97e7b722e9303390207d681cb4c.zip | |
x86, mm: Correct the implementation of is_untracked_pat_range()
The semantics the PAT code expect of is_untracked_pat_range() is "is
this range completely contained inside the untracked region." This
means that checkin 8a27138924f64d2f30c1022f909f74480046bc3f was
technically wrong, because the implementation needlessly confusing.
The sane interface is for it to take a semiclosed range like just
about everything else (as evidenced by the sheer number of "- 1"'s
removed by that patch) so change the actual implementation to match.
Reported-by: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Jack Steiner <steiner@sgi.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
LKML-Reference: <20091119202341.GA4420@sgi.com>
Diffstat (limited to 'arch/x86/Kconfig.cpu')
0 files changed, 0 insertions, 0 deletions