When converting the page number in a pte/pmd/pud/pgd between
machine and pseudo-physical addresses, the converted result was
being truncated at 32-bits. This caused failures on machines
with more than 4G of physical memory.
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Cc: "Christopher S. Aker" <caker@theshore.net>
Cc: Ian Campbell <Ian.Campbell@eu.citrix.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
if (val & _PAGE_PRESENT) {
unsigned long mfn = (val & PTE_MASK) >> PAGE_SHIFT;
pteval_t flags = val & ~PTE_MASK;
- val = (mfn_to_pfn(mfn) << PAGE_SHIFT) | flags;
+ val = ((pteval_t)mfn_to_pfn(mfn) << PAGE_SHIFT) | flags;
}
return val;
if (val & _PAGE_PRESENT) {
unsigned long pfn = (val & PTE_MASK) >> PAGE_SHIFT;
pteval_t flags = val & ~PTE_MASK;
- val = (pfn_to_mfn(pfn) << PAGE_SHIFT) | flags;
+ val = ((pteval_t)pfn_to_mfn(pfn) << PAGE_SHIFT) | flags;
}
return val;