Re: [PATCH v7 1/5] misc: fastrpc: Fix initial memory allocation for Audio PD memory pool

[Dmitry Baryshkov]

On Tue, Jun 02, 2026 at 03:17:46PM +0800, Jianping Li wrote:
> From: Ekansh Gupta <ekansh.gupta@xxxxxxxxxxxxxxxx>
> 
> The initial buffer allocated for the Audio PD memory pool is never added
> to the pool because pageslen is set to 0. As a result, the buffer is not
> registered with Audio PD and is never used, causing a memory leak. Audio
> PD immediately falls back to allocating memory from the remote heap since
> the pool starts out empty.
> 
> Fix this by setting pageslen to 1 so that the initially allocated buffer
> is correctly registered and becomes part of the Audio PD memory pool.
> 
> Fixes: 0871561055e66 ("misc: fastrpc: Add support for audiopd")
> Cc: stable@xxxxxxxxxx
> Signed-off-by: Ekansh Gupta <ekansh.gupta@xxxxxxxxxxxxxxxx>
> Signed-off-by: Jianping Li <jianping.li@xxxxxxxxxxxxxxxx>
> ---
>  drivers/misc/fastrpc.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxxxxxxxx>


-- 
With best wishes
Dmitry