Hi,
On (20/10/28 23:11), Rui Salvaterra wrote:
> Hi, again,
>
> On Wed, 28 Oct 2020 at 18:22, Sergey Senozhatsky
> wrote:
> >
> > Right, but well we also need to select ZSMALLOC and CRYPTO for
> > zram to become visible (the thing that I found out recently is
> > that you can always check the hi
Hi, again,
On Wed, 28 Oct 2020 at 18:22, Sergey Senozhatsky
wrote:
>
> Right, but well we also need to select ZSMALLOC and CRYPTO for
> zram to become visible (the thing that I found out recently is
> that you can always check the hidden/blocked items by hitting
> 'z' in menuconfig).
Sure, I can
Hi, Sergey,
On Wed, 28 Oct 2020 at 10:19, Sergey Senozhatsky
wrote:
>
> Can the following work then?
Almost! See below. :)
> Completely untested.
>
> ===8<===
>
> diff --git a/drivers/block/zram/Kconfig b/drivers/block/zram/Kconfig
> index fe7a4b7d30cf..f93eed40e155 100644
> --- a/drivers/block
Hi,
On (20/10/28 11:25), Rui Salvaterra wrote:
> > diff --git a/drivers/block/zram/Kconfig b/drivers/block/zram/Kconfig
> > index fe7a4b7d30cf..f93eed40e155 100644
> > --- a/drivers/block/zram/Kconfig
> > +++ b/drivers/block/zram/Kconfig
> > @@ -2,7 +2,7 @@
> > config ZRAM
> > tristate "C
Hi,
On (20/10/27 08:39), Rui Salvaterra wrote:
> Personally, I always use zram with zstd, and the only lzo dependency I
> have is zram. Disabling lzo saves me about 3 kiB in the final
> (xz-compressed) vmlinuz image. It's not much, for sure, but when your
> total storage is 4 MiB (and your RAM is
Hi, Sergey,
On Tue, 27 Oct 2020 at 01:22, Sergey Senozhatsky
wrote:
>
> Honestly, I'm not entirely excited. lzo is a fallback compression
> algorithm. If you want to use zram with something else thenconfigure
> zram to use something else. What do all these #if/#elif buy us?
The idea is to allow
On (20/10/26 08:51), Rui Salvaterra wrote:
> static const char * const backends[] = {
> +#if IS_ENABLED(CONFIG_CRYPTO_LZO)
> "lzo",
> "lzo-rle",
> +#endif
> #if IS_ENABLED(CONFIG_CRYPTO_LZ4)
> "lz4",
> #endif
[..]
> +static const char *default_compressor =
> +#if IS_ENABLED(CON
There's nothing special about zram and lzo. It works just fine without it, so
as long as at least one of the other supported compression algorithms is
selected.
Signed-off-by: Rui Salvaterra
---
v3: fix the default selection when lzo isn't present. Rebase against 5.10-rc1.
v2: fix the dependency
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