[fs/squashfs PATCH v3 1/2] Add warning for dynamic memory usage.

[Miquel Raynal]

Hi Mauro,

Mauro Condarelli <mc5686 at mclink.it> wrote on Thu,  8 Oct 2020 00:30:20
+0200:

> SquashFS may need a large amount of dynamic memory fot its buffers,
> especially if and when compression is enabled I got failures with
> CONFIG_SYS_MALLOC_LEN < 0x4000.
> 
> I found no way to enforce this in Kconfig itself, so I resorted
> to ada a warning in help string.

Nit: s/ada/add/ s/in help/in the help/?

Besides that,

Reviewed-by: Miquel Raynal <miquel.raynal at bootlin.com>

> 
> Signed-off-by: Mauro Condarelli <mc5686 at mclink.it>
> ---
> 
> (no changes since v1)
> 
>  fs/squashfs/Kconfig | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/fs/squashfs/Kconfig b/fs/squashfs/Kconfig
> index 54ab1618f1..7c3f83d007 100644
> --- a/fs/squashfs/Kconfig
> +++ b/fs/squashfs/Kconfig
> @@ -9,3 +9,5 @@ config FS_SQUASHFS
>  	  filesystem use, for archival use (i.e. in cases where a .tar.gz file
>  	  may be used), and in constrained block device/memory systems (e.g.
>  	  embedded systems) where low overhead is needed.
> +	  WARNING: if compression is enabled SquashFS needs a large amount
> +	  of dynamic memory; make sure CONFIG_SYS_MALLOC_LEN >= 0x4000.

Thanks,
Miquèl