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-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
index 666698a57192..2c4053b29bb3 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
@@ -135,10 +135,10 @@ struct amdgpu_mem_stats;
#define AMDGPU_IS_MMHUB0(x) ((x) >= AMDGPU_MMHUB0_START && (x) < AMDGPU_MMHUB1_START)
#define AMDGPU_IS_MMHUB1(x) ((x) >= AMDGPU_MMHUB1_START && (x) < AMDGPU_MAX_VMHUBS)
-/* Reserve 2MB at top/bottom of address space for kernel use */
+/* Reserve space at top/bottom of address space for kernel use */
#define AMDGPU_VA_RESERVED_CSA_SIZE (2ULL << 20)
#define AMDGPU_VA_RESERVED_SEQ64_SIZE (2ULL << 20)
-#define AMDGPU_VA_RESERVED_BOTTOM (2ULL << 20)
+#define AMDGPU_VA_RESERVED_BOTTOM (1ULL << 16)
#define AMDGPU_VA_RESERVED_TOP (AMDGPU_VA_RESERVED_SEQ64_SIZE + \
AMDGPU_VA_RESERVED_CSA_SIZE)