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Diffstat (limited to 'arch/i386/kernel/pci-dma.c')
-rw-r--r-- | arch/i386/kernel/pci-dma.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/i386/kernel/pci-dma.c b/arch/i386/kernel/pci-dma.c index 3ebcea033623..30b754f7cbec 100644 --- a/arch/i386/kernel/pci-dma.c +++ b/arch/i386/kernel/pci-dma.c @@ -77,7 +77,7 @@ int dma_declare_coherent_memory(struct device *dev, dma_addr_t bus_addr, { void __iomem *mem_base = NULL; int pages = size >> PAGE_SHIFT; - int bitmap_size = (pages + 31)/32; + int bitmap_size = BITS_TO_LONGS(pages) * sizeof(long); if ((flags & (DMA_MEMORY_MAP | DMA_MEMORY_IO)) == 0) goto out; |