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authorIngo Molnar <mingo@elte.hu>2008-08-11 13:40:56 +0200
committerIngo Molnar <mingo@elte.hu>2008-08-11 13:40:56 +0200
commit251a169c69d1ff07cee7a9bb9fc4faff6b1d2ac3 (patch)
tree3c20c3e080f276848f2ad67aadab44a5d64bfda9 /kernel/dma-coherent.c
parent6679ce6e5f519096612b480d255d9ca97be0c2be (diff)
parent796aadeb1b2db9b5d463946766c5bbfd7717158c (diff)
Merge branch 'linus' into sched/urgent
Diffstat (limited to 'kernel/dma-coherent.c')
-rw-r--r--kernel/dma-coherent.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/kernel/dma-coherent.c b/kernel/dma-coherent.c
index 7517115a8cc..91e96950cd5 100644
--- a/kernel/dma-coherent.c
+++ b/kernel/dma-coherent.c
@@ -77,15 +77,14 @@ void *dma_mark_declared_memory_occupied(struct device *dev,
{
struct dma_coherent_mem *mem = dev->dma_mem;
int pos, err;
- int pages = (size + (device_addr & ~PAGE_MASK) + PAGE_SIZE - 1);
- pages >>= PAGE_SHIFT;
+ size += device_addr & ~PAGE_MASK;
if (!mem)
return ERR_PTR(-EINVAL);
pos = (device_addr - mem->device_base) >> PAGE_SHIFT;
- err = bitmap_allocate_region(mem->bitmap, pos, get_order(pages));
+ err = bitmap_allocate_region(mem->bitmap, pos, get_order(size));
if (err != 0)
return ERR_PTR(err);
return mem->virt_base + (pos << PAGE_SHIFT);