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kgsl: add page pool allocator
This adds a pool allocator to kgsl's sharedmem allocation path. The pool supports both fixed-size pools and pools that grow over time. In the latter case, the pool's size will be reduced by a shrinker. This also adds some tracepoints to aid in kgsl memory allocation debugging. bug 27273678 Change-Id: I2c34f1e9795db5988303224f427e8a399e541008
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- drivers/gpu/msm/Makefile 2 additions, 1 deletiondrivers/gpu/msm/Makefile
- drivers/gpu/msm/kgsl.c 2 additions, 0 deletionsdrivers/gpu/msm/kgsl.c
- drivers/gpu/msm/kgsl_heap.c 360 additions, 0 deletionsdrivers/gpu/msm/kgsl_heap.c
- drivers/gpu/msm/kgsl_sharedmem.c 19 additions, 40 deletionsdrivers/gpu/msm/kgsl_sharedmem.c
- drivers/gpu/msm/kgsl_sharedmem.h 4 additions, 0 deletionsdrivers/gpu/msm/kgsl_sharedmem.h
- drivers/gpu/msm/kgsl_trace.h 106 additions, 0 deletionsdrivers/gpu/msm/kgsl_trace.h
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