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| author | Colin Cross <ccross@android.com> | 2013-12-13 19:26:32 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-12-14 08:59:54 -0800 |
| commit | 661f82f6c219dc515ee5123213d8f57481694fe4 (patch) | |
| tree | 9e4d96bb2d12b0496bd5dff47f0bbf9026fe180d /block/blk-cgroup.c | |
| parent | dd608dd29a417da78f6aa1715efb9786787c550e (diff) | |
| download | blackbird-op-linux-661f82f6c219dc515ee5123213d8f57481694fe4.tar.gz blackbird-op-linux-661f82f6c219dc515ee5123213d8f57481694fe4.zip | |
ion: fix bugs in cma heap
Implement ion_cma_unmap_kernel, ion will call it unconditionally.
Use correct gfp flags when calling dma_alloc_coherent so it doesn't
try to use atomic DMA memory.
Check for invalid alignment when allocating.
Reject cached allocations - the cpu address returned by
dma_alloc_coherent is always going to be an uncached mapping, so
map_kernel will not see data written by a cached userspace mapping.
Signed-off-by: Colin Cross <ccross@android.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'block/blk-cgroup.c')
0 files changed, 0 insertions, 0 deletions
