Review fixes

Author: gjulianm

pkg/gpu/context.go

@@ -38,7 +38,7 @@ type systemContext struct {
 
 	// updatedVisibleDevicesEnvVars maps each process ID to the latest visible
 	// devices environment variable that was set by the process. This is used to
-	// keep track of updates during process runtime, whic aren't visible in
+	// keep track of updates during process runtime, which aren't visible in
 	// /proc/pid/environ.
 	updatedVisibleDevicesEnvVars map[int]string
 

pkg/gpu/cuda/env.go

@@ -15,6 +15,7 @@ import (
 	ddnvml "github.com/DataDog/datadog-agent/pkg/gpu/safenvml"
 )
 
+// CudaVisibleDevicesEnvVar is the name of the environment variable that controls the visible GPUs for CUDA applications
 const CudaVisibleDevicesEnvVar = "CUDA_VISIBLE_DEVICES"
 
 // ParseVisibleDevices modifies the list of GPU devices according to the