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Revert r32994 and add a comment to explain the intention. Thanks Ingo for the

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clarification.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@33001 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Michael Lotz
2009-09-08 16:24:43 +00:00
parent be628a94e2
commit 1a053eedc0
1 changed files with 4 additions and 1 deletions
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src/system/kernel/arch/x86/arch_vm_translation_map.cpp
+4 -1
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@@ -295,8 +295,11 @@ map_max_pages_need(vm_translation_map */*map*/, addr_t start, addr_t end)
{ {
// If start == 0, the actual base address is not yet known to the caller and // If start == 0, the actual base address is not yet known to the caller and
// we shall assume the worst case. // we shall assume the worst case.
if (start == 0) if (start == 0) {
// offset the range so it has the worst possible alignment
start = 1023 * B_PAGE_SIZE;
end += 1023 * B_PAGE_SIZE; end += 1023 * B_PAGE_SIZE;
}
return VADDR_TO_PDENT(end) + 1 - VADDR_TO_PDENT(start); return VADDR_TO_PDENT(end) + 1 - VADDR_TO_PDENT(start);
} }