From: Eric Huang <jinhuieric.huang@xxxxxxx>
The macro is for memory mapped by GPU as uncached.
Signed-off-by: Eric Huang <jinhuieric.huang@xxxxxxx>
Reviewed-by: Oak Zeng <Oak.Zeng@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
---
include/uapi/linux/kfd_ioctl.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/include/uapi/linux/kfd_ioctl.h b/include/uapi/linux/kfd_ioctl.h
index 695b606da4b1..18449f746097 100644
--- a/include/uapi/linux/kfd_ioctl.h
+++ b/include/uapi/linux/kfd_ioctl.h
@@ -351,6 +351,7 @@ struct kfd_ioctl_acquire_vm_args {
#define KFD_IOC_ALLOC_MEM_FLAGS_NO_SUBSTITUTE (1 << 28)
#define KFD_IOC_ALLOC_MEM_FLAGS_AQL_QUEUE_MEM (1 << 27)
#define KFD_IOC_ALLOC_MEM_FLAGS_COHERENT (1 << 26)
+#define KFD_IOC_ALLOC_MEM_FLAGS_UNCACHED (1 << 25)
/* Allocate memory for later SVM (shared virtual memory) mapping.
*
--
2.29.2
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