Re: [PATCH] unified device list allocator

[Andrew Morton]

Matt Mackall <mpm@xxxxxxxxxxx> wrote:
>
> +	/* search for insertion point in reverse for dynamic allocation */
>  +	list_for_each_prev(l, list) {

hrmph.  Any time we do anything in O(n) time, some smarty comes along with
a workload which blows us out of the water.  Although it's hard to think of
any register_blkdev()-intensive workloads.

It's not possible to do this with prio-trees?
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