Re: [PATCH] pstore: migrate to crypto acomp interface (take 2)

Guilherme G. Piccoli
2022-10-17T21:25:34Z

On 17/10/2022 18:16, Ard Biesheuvel wrote:
> On Mon, 17 Oct 2022 at 23:10, Guilherme G. Piccoli <gpiccoli@igalia.com> wrote:
>> [...]
>> Out of curiosity, do you have a number here, like X kilobytes per active
>> CPU?
>
> 2x128 KB per CPU, which makes 128 KB also the maximum input/output
> size per request when using this interface. (SCOMP_SCRATCH_SIZE)
>
> On my 32x4 CPU workstation, this amounts to 32 MB permanently locked
> up for nothing when the pstore driver is loaded (with compression
> enabled)

Thanks! This is really something...