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25d912475e
Extend the scoreboard approach from the previous commit to used blocks, so drm_buddy_print() can report per-order allocation pressure in O(1). Unlike free blocks, an allocated block can leave the allocated state through mark_free() (normal free and gpu_buddy_block_trim()) or be consumed directly by gpu_block_free() during coalescing. Both sites are guarded by gpu_buddy_block_is_allocated() and paired with the increment in mark_allocated(). v3: - Assert scoreboard is empty at fini(), as sanity check (Matthew Auld) v2: - Update after fix for use-after-free in split_block() call sites - Change goto label to out_free_used_scoreboard for clarity - Make drm_buddy_print() and gpu_buddy_print() symmetric for used and free Assisted-by: GitHub Copilot:claude-sonnet-4.6 Reviewed-by: Matthew Auld <matthew.auld@intel.com> Link: https://lore.kernel.org/r/20260522092600.32818-6-francois.dugast@intel.com Signed-off-by: Francois Dugast <francois.dugast@intel.com> |
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| .. | ||
| acpi | ||
| asm-generic | ||
| clocksource | ||
| crypto | ||
| cxl | ||
| drm | ||
| dt-bindings | ||
| hyperv | ||
| keys | ||
| kunit | ||
| kvm | ||
| linux | ||
| math-emu | ||
| media | ||
| memory | ||
| misc | ||
| net | ||
| pcmcia | ||
| ras | ||
| rdma | ||
| rv | ||
| scsi | ||
| soc | ||
| sound | ||
| target | ||
| trace | ||
| uapi | ||
| ufs | ||
| vdso | ||
| video | ||
| xen | ||
| Kbuild | ||