linux-kernel - Re: [PATCH] kho: free chunks using free

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Message-ID: <CA+CK2bChpd-k0tpcQRdVmK0nmnOGKWExViVVwcmhryZVEZJFPA@mail.gmail.com>
Date: Tue, 18 Nov 2025 13:39:07 -0500
From: Pasha Tatashin <pasha.tatashin@...een.com>
To: Pratyush Yadav <pratyush@...nel.org>
Cc: Andrew Morton <akpm@...ux-foundation.org>, Alexander Graf <graf@...zon.com>, 
	Mike Rapoport <rppt@...nel.org>, David Matlack <dmatlack@...gle.com>, kexec@...ts.infradead.org, 
	linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] kho: free chunks using free_page() instead of kfree()

On Tue, Nov 18, 2025 at 1:22 PM Pratyush Yadav <pratyush@...nel.org> wrote:
>
> Before commit fa759cd75bce5 ("kho: allocate metadata directly from the
> buddy allocator"), the chunks were allocated from the slab allocator
> using kzalloc(). Those were rightly freed using kfree().
>
> When the commit switched to using the buddy allocator directly, it
> missed updating kho_mem_ser_free() to use free_page() instead of
> kfree().
>
> Fixes: fa759cd75bce5 ("kho: allocate metadata directly from the buddy allocator")
> Signed-off-by: Pratyush Yadav <pratyush@...nel.org>

Thank you for finding and fixing this issue.

Reviewed-by: Pasha Tatashin <pasha.tatashin@...een.com>