Re: [PATCH 1/1] kho: fix KHO_TREE_MAX_DEPTH for non-4KB page sizes

[Mike Rapoport]

From: Mike Rapoport (Microsoft) <rppt@xxxxxxxxxx>

On Sat, 09 May 2026 10:44:15 +0800, George Guo wrote:
> KHO_TREE_MAX_DEPTH is calculated as:
> 
>   DIV_ROUND_UP(KHO_ORDER_0_LOG2 - KHO_BITMAP_SIZE_LOG2,
>                KHO_TABLE_SIZE_LOG2) + 1
> 
> For systems with 16KB pages (e.g. LoongArch), this gives a depth of 4,
> with the top-level shift at bit 39.  The order-0 bit sits at bit 50
> (KHO_ORDER_0_LOG2 = 64 - PAGE_SHIFT = 50).  When inserting or reading
> a key, the index extracted at the top level is:
> 
> [...]

Applied to fixes branch of liveupdate/linux.git tree, thanks!

[1/1] kho: fix KHO_TREE_MAX_DEPTH for non-4KB page sizes
      commit: eaf3933ec58da601cf0008afbcca7cf5433321e8

tree: https://git.kernel.org/pub/scm/linux/kernel/git/liveupdate/linux
branch: fixes

--
Sincerely yours,
Mike.