feat: Backport VRAM management patches for dmem cgroup (6.6.y)#1890

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deepin-wm wants to merge 8 commits into

deepin-community:linux-6.6.yfrom

deepin-wm:vram-mgmt-6.6-backport

Commits on Jun 18, 2026

cgroup/dmem: Add dmem cgroup controller and page_counter_calculate_protection

deepin-wm
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cgroup/dmem: Add queries for protection values

pixelcluster
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agent
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cgroup,cgroup/dmem: Add (dmem_)cgroup_common_ancestor helper

pixelcluster
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agent
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drm/ttm: Add dmem cgroup support for VRAM management

deepin-wm
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agent
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Commits on Jun 23, 2026

fix: Address review feedback, NULL safety, and KABI issues

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agent
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Commits on Jun 30, 2026

fix: remove ttm_resource_cursor_fini and add kernel-doc for ttm_bo_pin
deepin-wm
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Commits on Jul 2, 2026

fix: resolve i386_defconfig compilation errors

deepin-wm
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agent
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Commits on Jul 6, 2026

fix: backport dmem pool refcount and css guard

deepin-wm
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runtime
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