Re: [PATCHv5 3/7] zram: rework recompress target selection strategy
From: Dan Carpenter
Date: Tue Oct 01 2024 - 03:43:14 EST
On Tue, Sep 17, 2024 at 11:09:08AM +0900, Sergey Senozhatsky wrote:
> +static struct zram_pp_slot *select_pp_slot(struct zram_pp_ctl *ctl)
> +{
> + struct zram_pp_slot *pps = NULL;
> + s32 idx = NUM_PP_BUCKETS - 1;
> +
> + /* The higher the bucket id the more optimal slot post-processing is */
> + while (idx > 0) {
Why is this not idx >= 0? Why skip the first bucket?
regards,
dan carpenter
> + pps = list_first_entry_or_null(&ctl->pp_buckets[idx],
> + struct zram_pp_slot,
> + entry);
> + if (pps)
> + break;
> +
> + idx--;
> + }
> + return pps;
> +}