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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@24612 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Jérôme Duval
2008-03-27 22:31:42 +00:00
parent 071f9c3aa2
commit 9fcee65eaf
1 changed files with 4 additions and 4 deletions
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src/system/kernel/arch/x86/arch_vm.cpp
+4 -4
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@@ -93,15 +93,15 @@ is_memory_overlapping(uint64 base, uint64 length, int32 *extendedIndex)
x86_get_mtrr(index, &b, &l, &t); x86_get_mtrr(index, &b, &l, &t);
// check first for write combining extensions // check first for write combining extensions
if (base < b if (base <= b
&& (base + length) > (b + l) && (base + length) >= (b + l)
&& t == IA32_MTR_WRITE_COMBINING) { && t == IA32_MTR_WRITE_COMBINING) {
*extendedIndex = index; *extendedIndex = index;
return true; return true;
} }
if ((base > b && base < (b + l)) if ((base >= b && base < (b + l))
|| ((base + length) > b || ((base + length) > b
&& (base + length) < (b + l))) && (base + length) <= (b + l)))
return true; return true;
} }
} }