diff --git a/.github/workflows/build-arm64.yaml b/.github/workflows/build-arm64.yaml
index 40a704e..4de356d 100644
--- a/.github/workflows/build-arm64.yaml
+++ b/.github/workflows/build-arm64.yaml
@@ -17,6 +17,10 @@ jobs:
     - run: |
         git fetch --prune --unshallow
         mkdir build
+    - name: Release space from worker
+      run: |
+        sudo rm -rf /usr/local/lib/android # will release about 10 GB if you don't need Android
+        sudo rm -rf /usr/share/dotnet # will release about 20GB if you don't need .NET
     - name: Set up QEMU
       uses: docker/setup-qemu-action@master
       with:
diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 034fb1a..1799c06 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -17,6 +17,10 @@ jobs:
     - run: |
         git fetch --prune --unshallow
         mkdir build
+    - name: Release space from worker
+      run: |
+        sudo rm -rf /usr/local/lib/android # will release about 10 GB if you don't need Android
+        sudo rm -rf /usr/share/dotnet # will release about 20GB if you don't need .NET
     - name: Download meta 🔧
       uses: luet-lab/luet-github-action@master
       with:
diff --git a/.github/workflows/pr.yaml b/.github/workflows/pr.yaml
index 9a673f4..36b7d97 100644
--- a/.github/workflows/pr.yaml
+++ b/.github/workflows/pr.yaml
@@ -17,6 +17,10 @@ jobs:
     - run: |
         git fetch --prune --unshallow
         mkdir build
+    - name: Release space from worker
+      run: |
+        sudo rm -rf /usr/local/lib/android # will release about 10 GB if you don't need Android
+        sudo rm -rf /usr/share/dotnet # will release about 20GB if you don't need .NET
     - name: Set up QEMU
       uses: docker/setup-qemu-action@master
       with:
@@ -45,6 +49,7 @@ jobs:
         REPOSITORY_TYPE: docker
         pushFinalImages: false
         pushCache: false
+        values: values/arm64.yaml
 
   build:
     runs-on: ubuntu-latest
@@ -55,6 +60,10 @@ jobs:
     - run: |
         git fetch --prune --unshallow
         mkdir build
+    - name: Release space from worker
+      run: |
+        sudo rm -rf /usr/local/lib/android # will release about 10 GB if you don't need Android
+        sudo rm -rf /usr/share/dotnet # will release about 20GB if you don't need .NET
     - name: Download meta 🔧
       uses: luet-lab/luet-github-action@master
       with:
diff --git a/packages/kernels/build.yaml b/packages/distro-kernels/build.yaml
similarity index 100%
rename from packages/kernels/build.yaml
rename to packages/distro-kernels/build.yaml
diff --git a/packages/kernels/collection.yaml b/packages/distro-kernels/collection.yaml
similarity index 100%
rename from packages/kernels/collection.yaml
rename to packages/distro-kernels/collection.yaml
diff --git a/packages/kernels/linux-tegra/build.yaml b/packages/kernels/linux-tegra/build.yaml
new file mode 100644
index 0000000..400eef5
--- /dev/null
+++ b/packages/kernels/linux-tegra/build.yaml
@@ -0,0 +1,29 @@
+{{ if eq .Values.arch "arm64" }}
+# There is no arm64 package. There is only a linux-tegra, generic, for ARM64, built from x86.
+{{ else }}
+image: "ubuntu:20.04"
+
+prelude:
+- apt update && apt install -y git-core build-essential bc wget xxd kmod
+- wget https://developer.nvidia.com/downloads/remetpack-463r32releasev73t210jetson-210linur3273aarch64tbz2 -O Jetson-210_Linux_R32.7.3_aarch64.tbz2
+- tar xvf Jetson-210_Linux_R32.7.3_aarch64.tbz2
+- wget https://developer.nvidia.com/downloads/remack-sdksjetpack-463r32releasev73sourcest210publicsourcestbz2 -O public_sources.tbz2
+- tar xvf public_sources.tbz2
+- wget https://developer.nvidia.com/embedded/dlc/l4t-gcc-7-3-1-toolchain-64-bit
+- tar xvf l4t-gcc-7-3-1-toolchain-64-bit
+
+# https://forums.developer.nvidia.com/t/kernel-build-script-nvbuild-sh-with-output-dir-option-not-working/173087
+steps:
+- |
+   cd Linux_for_Tegra/source/public && tar xvf kernel_src.tbz2 && \
+   mkdir kernel_out && \
+   echo "CONFIG_EFI_STUB=y" >> ./kernel/kernel-4.9/arch/arm64/configs/tegra_defconfig && \
+   echo "CONFIG_EFI=y" >> ./kernel/kernel-4.9/arch/arm64/configs/tegra_defconfig && \
+   sed -i '86s/.*/ O_OPT=(O="${KERNEL_OUT_DIR}")/' nvbuild.sh && \
+   CROSS_COMPILE_AARCH64_PATH=/luetbuild/gcc-linaro-7.3.1-2018.05-x86_64_aarch64-linux-gnu/ ./nvbuild.sh -o $PWD/kernel_out
+- mkdir -p /out/boot
+- cp Linux_for_Tegra/source/public/kernel_out/arch/arm64/boot/Image /out/boot
+- cd Linux_for_Tegra/source/public/kernel/kernel-4.9/ && make CROSS_COMPILE=/luetbuild/gcc-linaro-7.3.1-2018.05-x86_64_aarch64-linux-gnu/ LOCALVERSION="-tegra" ARCH=arm64 O=/luetbuild/Linux_for_Tegra/source/public/kernel_out modules_install INSTALL_MOD_PATH=/out
+# https://blog.kevmo314.com/compiling-custom-kernel-modules-on-the-jetson-nano.html
+package_dir: /out
+{{ end }}
\ No newline at end of file
diff --git a/packages/kernels/linux-tegra/definition.yaml b/packages/kernels/linux-tegra/definition.yaml
new file mode 100644
index 0000000..f7e2be5
--- /dev/null
+++ b/packages/kernels/linux-tegra/definition.yaml
@@ -0,0 +1,3 @@
+category: "kernels"
+name: "linux-tegra"
+version: "4.9.299"
\ No newline at end of file