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| author | Andreas Herrmann <andreas.herrmann3@amd.com> | 2008-06-20 21:58:46 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-06-24 13:05:48 +0200 |
| commit | bcc643dc287cb732e96a1685ac130c3ae8b1c960 (patch) | |
| tree | 12098795536285f51aa2dfdab8cb7a3ffdcc7f87 /arch/x86/mm/pat.c | |
| parent | dd0c7c4903c29da9aa3bf33deecf064d190a0d81 (diff) | |
| download | linux-bcc643dc287cb732e96a1685ac130c3ae8b1c960.tar.bz2 | |
x86: introduce macro to check whether an address range is in the ISA range
Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
Cc: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Cc: Suresh B Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/mm/pat.c')
| -rw-r--r-- | arch/x86/mm/pat.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/arch/x86/mm/pat.c b/arch/x86/mm/pat.c index 227df3ca9bfd..5bbc22efe4e5 100644 --- a/arch/x86/mm/pat.c +++ b/arch/x86/mm/pat.c @@ -215,7 +215,7 @@ int reserve_memtype(u64 start, u64 end, unsigned long req_type, } /* Low ISA region is always mapped WB in page table. No need to track */ - if (start >= ISA_START_ADDRESS && (end - 1) <= ISA_END_ADDRESS) { + if (is_ISA_range(start, end - 1)) { if (ret_type) *ret_type = _PAGE_CACHE_WB; @@ -415,9 +415,8 @@ int free_memtype(u64 start, u64 end) } /* Low ISA region is always mapped WB. No need to track */ - if (start >= ISA_START_ADDRESS && end <= ISA_END_ADDRESS) { + if (is_ISA_range(start, end - 1)) return 0; - } spin_lock(&memtype_lock); list_for_each_entry(ml, &memtype_list, nd) { |