zram-swap: default to lzo instead of lzo-rle compression

[Adrian Schmutzler]

Hi,

> -----Original Message-----
> From: openwrt-devel [mailto:openwrt-devel-bounces at lists.openwrt.org]
> On Behalf Of e9hack
> Sent: Donnerstag, 17. September 2020 11:39
> To: jo at mein.io; rsalvaterra at gmail.com
> Cc: openwrt-devel at lists.openwrt.org
> Subject: zram-swap: default to lzo instead of lzo-rle compression
> 
> Hi,
> 
> I think commit 419f149e482641ddc520f80a7ab2038f7e2ebc8a is not the
> proper fix for the described issue.
> 
> The kernel module lzo-rle is still missing. To solve this, it must be installed on
> the root-fs:
> 
> diff --git a/package/kernel/linux/modules/lib.mk
> b/package/kernel/linux/modules/lib.mk
> index 1289cc1f25..fade8a5cfd 100644
> --- a/package/kernel/linux/modules/lib.mk
> +++ b/package/kernel/linux/modules/lib.mk
> @@ -109,9 +109,10 @@ define KernelPackage/lib-lzo
>    HIDDEN:=1
>    FILES:= \
>         $(LINUX_DIR)/crypto/lzo.ko \
> +       $(LINUX_DIR)/crypto/lzo-rle.ko at ge5.1 \
>         $(LINUX_DIR)/lib/lzo/lzo_compress.ko \
>         $(LINUX_DIR)/lib/lzo/lzo_decompress.ko
> -  AUTOLOAD:=$(call AutoProbe,lzo lzo_compress lzo_decompress)
> +  AUTOLOAD:=$(call AutoProbe,lzo lzo-rle lzo_compress lzo_decompress)
>  endef
> 
>  define KernelPackage/lib-lzo/description
> 
> 
> Since kernel 4.19 isn't longer used, @ge5.1 isn't necessary.

Kernel 4.19 support is still present in master (for regression testing), so we should properly implement the switches until it is removed entirely.

Best

Adrian

> 
> Regards,
> Hartmut
> 
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