diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-08-11 07:40:56 -0400 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2008-08-11 07:40:56 -0400 |
commit | 251a169c69d1ff07cee7a9bb9fc4faff6b1d2ac3 (patch) | |
tree | 3c20c3e080f276848f2ad67aadab44a5d64bfda9 /kernel/dma-coherent.c | |
parent | 6679ce6e5f519096612b480d255d9ca97be0c2be (diff) | |
parent | 796aadeb1b2db9b5d463946766c5bbfd7717158c (diff) |
Merge branch 'linus' into sched/urgent
Diffstat (limited to 'kernel/dma-coherent.c')
-rw-r--r-- | kernel/dma-coherent.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/kernel/dma-coherent.c b/kernel/dma-coherent.c index 7517115a8cce..91e96950cd52 100644 --- a/kernel/dma-coherent.c +++ b/kernel/dma-coherent.c | |||
@@ -77,15 +77,14 @@ void *dma_mark_declared_memory_occupied(struct device *dev, | |||
77 | { | 77 | { |
78 | struct dma_coherent_mem *mem = dev->dma_mem; | 78 | struct dma_coherent_mem *mem = dev->dma_mem; |
79 | int pos, err; | 79 | int pos, err; |
80 | int pages = (size + (device_addr & ~PAGE_MASK) + PAGE_SIZE - 1); | ||
81 | 80 | ||
82 | pages >>= PAGE_SHIFT; | 81 | size += device_addr & ~PAGE_MASK; |
83 | 82 | ||
84 | if (!mem) | 83 | if (!mem) |
85 | return ERR_PTR(-EINVAL); | 84 | return ERR_PTR(-EINVAL); |
86 | 85 | ||
87 | pos = (device_addr - mem->device_base) >> PAGE_SHIFT; | 86 | pos = (device_addr - mem->device_base) >> PAGE_SHIFT; |
88 | err = bitmap_allocate_region(mem->bitmap, pos, get_order(pages)); | 87 | err = bitmap_allocate_region(mem->bitmap, pos, get_order(size)); |
89 | if (err != 0) | 88 | if (err != 0) |
90 | return ERR_PTR(err); | 89 | return ERR_PTR(err); |
91 | return mem->virt_base + (pos << PAGE_SHIFT); | 90 | return mem->virt_base + (pos << PAGE_SHIFT); |