diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/parisc/mm/init.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c index f2e7f13ddee..720287d46e5 100644 --- a/arch/parisc/mm/init.c +++ b/arch/parisc/mm/init.c @@ -300,6 +300,13 @@ static void __init setup_bootmem(void) max_pfn = start_pfn + npages; } + /* IOMMU is always used to access "high mem" on those boxes + * that can support enough mem that a PCI device couldn't + * directly DMA to any physical addresses. + * ISA DMA support will need to revisit this. + */ + max_low_pfn = max_pfn; + if ((bootmap_pfn - bootmap_start_pfn) != bootmap_pages) { printk(KERN_WARNING "WARNING! bootmap sizing is messed up!\n"); BUG(); |