[PATCH] kernel: Reduce memory usage by reducing squashfs fragment cache size

[Robert Langhammer]

Hi Fabian,

wenn's hilft.

Reviewed-by: Robert Langhammer <rlanghammer at web.de>

Hast du das mal ausprobiert? Bringt das was?

Am 28.03.20 um 17:09 schrieb Fabian Bläse:
> Reducing the amount of squashfs fragments cached in memory might reduce
> memory usage, especially for systems with very little memory and
> big squashfs blocksizes.
>
> Because only ar71xx-tiny contains 32/4 (memory/flash) devices, the
> reduction of the fragment cache is only applied to th ar71xx bsp.
>
> Signed-off-by: Fabian Bläse <fabian at blaese.de>
> ---
>  bsp/ar71xx/.config | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/bsp/ar71xx/.config b/bsp/ar71xx/.config
> index 6c2c730..0b9a367 100644
> --- a/bsp/ar71xx/.config
> +++ b/bsp/ar71xx/.config
> @@ -96,6 +96,7 @@ CONFIG_CLEAN_IPKG=y
>  # CONFIG_FASTD_ENABLE_METHOD_COMPOSED_UMAC is not set
>  # CONFIG_FASTD_ENABLE_METHOD_GENERIC_GMAC is not set
>  # CONFIG_FASTD_ENABLE_METHOD_GENERIC_UMAC is not set
> +CONFIG_KERNEL_SQUASHFS_FRAGMENT_CACHE_SIZE=1
>  # CONFIG_PACKAGE_ALFRED_VIS is not set
>  CONFIG_PACKAGE_hostapd-mini=y
>  CONFIG_PACKAGE_iwinfo=m