[PATCH] kho: free chunks using free_page() instead of kfree()

[Markus Elfring]

…
> When the commit switched to using the buddy allocator directly, it
> missed updating kho_mem_ser_free() to use free_page() instead of
> kfree().

Would another imperative wording become helpful for an improved change description?
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/process/submitting-patches.rst?h=v6.18-rc6#n94

Regards,
Markus