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v3 2026-07-24

KHO支持高阶非复合页 · v3

引入显式的高阶页保留/恢复API以解决KHO恢复时尾页引用计数非零导致的页泄漏。

原始补丁链接

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子 Patch（2）

1/2
kho: Introduce a helper to init high order pages
The current KHO restoration logic assumes all multi-page blocks are split into independent 4KB pages. Break out a helper to prepare for supporting high-order non-compound pages. Extract kho_init_high
2/2
kho: Introduce preserve/restore APIs for high-order pages
The current KHO page preservation APIs (e.g. kho_preserve_pages) assume that multi-page blocks are split into independent 4KB pages during restoration. This is incompatible with high-order non-compoun
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