diff options
Diffstat (limited to 'arch/sparc64')
| -rw-r--r-- | arch/sparc64/lib/iomap.c | 4 | ||||
| -rw-r--r-- | arch/sparc64/mm/init.c | 17 |
2 files changed, 17 insertions, 4 deletions
diff --git a/arch/sparc64/lib/iomap.c b/arch/sparc64/lib/iomap.c index ac556db0697..7120ebbd4d0 100644 --- a/arch/sparc64/lib/iomap.c +++ b/arch/sparc64/lib/iomap.c @@ -21,8 +21,8 @@ EXPORT_SYMBOL(ioport_unmap); /* Create a virtual mapping cookie for a PCI BAR (memory or IO) */ void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen) { - unsigned long start = pci_resource_start(dev, bar); - unsigned long len = pci_resource_len(dev, bar); + resource_size_t start = pci_resource_start(dev, bar); + resource_size_t len = pci_resource_len(dev, bar); unsigned long flags = pci_resource_flags(dev, bar); if (!len || !start) diff --git a/arch/sparc64/mm/init.c b/arch/sparc64/mm/init.c index 177d8aaeec4..4cad0b32b0a 100644 --- a/arch/sparc64/mm/init.c +++ b/arch/sparc64/mm/init.c @@ -160,6 +160,7 @@ extern unsigned int sparc_ramdisk_image; extern unsigned int sparc_ramdisk_size; struct page *mem_map_zero __read_mostly; +EXPORT_SYMBOL(mem_map_zero); unsigned int sparc64_highest_unlocked_tlb_ent __read_mostly; @@ -1699,9 +1700,21 @@ void __init paging_init(void) * functions like clear_dcache_dirty_cpu use the cpu mask * in 13-bit signed-immediate instruction fields. */ - BUILD_BUG_ON(FLAGS_RESERVED != 32); + + /* + * Page flags must not reach into upper 32 bits that are used + * for the cpu number + */ + BUILD_BUG_ON(NR_PAGEFLAGS > 32); + + /* + * The bit fields placed in the high range must not reach below + * the 32 bit boundary. Otherwise we cannot place the cpu field + * at the 32 bit boundary. + */ BUILD_BUG_ON(SECTIONS_WIDTH + NODES_WIDTH + ZONES_WIDTH + - ilog2(roundup_pow_of_two(NR_CPUS)) > FLAGS_RESERVED); + ilog2(roundup_pow_of_two(NR_CPUS)) > 32); + BUILD_BUG_ON(NR_CPUS > 4096); kern_base = (prom_boot_mapping_phys_low >> 22UL) << 22UL; |