Fix a bug in the tilepro PCI resource allocation code that could make
the bootmem allocator unhappy if 4GB is installed on mshim 0.
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
/*
* Throw away any memory aliased by the PCI region.
*/
/*
* Throw away any memory aliased by the PCI region.
*/
- if (pci_reserve_start_pfn < end && pci_reserve_end_pfn > start)
- reserve_bootmem(PFN_PHYS(pci_reserve_start_pfn),
- PFN_PHYS(pci_reserve_end_pfn -
- pci_reserve_start_pfn),
+ if (pci_reserve_start_pfn < end && pci_reserve_end_pfn > start) {
+ start = max(pci_reserve_start_pfn, start);
+ end = min(pci_reserve_end_pfn, end);
+ reserve_bootmem(PFN_PHYS(start), PFN_PHYS(end - start),