fork: use __mt_dup() to duplicate maple tree in dup_mmap() #15

	name: build kernel loong64
	on:
	push:
	pull_request:
	workflow_dispatch:

	env:
	KBUILD_BUILD_USER: deepin-kernel-sig
	KBUILD_BUILD_HOST: deepin-kernel-builder
	email: support@deepin.org

	permissions:
	pull-requests: read

	jobs:
	build-kernel:
	runs-on: [self-hosted, linux, loong64]
	steps:
	- uses: actions/checkout@v3
	- name: "Install Deps"
	run: \|
	git config --global user.email $email
	git config --global user.name $KBUILD_BUILD_USER

	- name: "Compile kernel"
	run: \|
	# .config
	make deepin_loongarch_desktop_defconfig
	make -j$(nproc)

	- name: 'Upload Kernel Artifact'
	uses: actions/upload-artifact@v4
	with:
	name: Kernel-ABI-loong64
	path: "Module.symvers"

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