diff options
Diffstat (limited to 'arch/tile/kernel/setup.c')
| -rw-r--r-- | arch/tile/kernel/setup.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/arch/tile/kernel/setup.c b/arch/tile/kernel/setup.c index 68b542677f6a..676e155a0d63 100644 --- a/arch/tile/kernel/setup.c +++ b/arch/tile/kernel/setup.c @@ -614,11 +614,12 @@ static void __init setup_bootmem_allocator_node(int i) /* * 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), BOOTMEM_EXCLUSIVE); + } #endif } |