[PATCH v2 0/7] mm/vmalloc: Speed up ioremap, vmalloc and vmap with contiguous memory

[Andrew Morton]

On Thu, 14 May 2026 17:41:01 +0800 Wen Jiang <jiangwenxiaomi at gmail.com> wrote:

> This patchset accelerates ioremap, vmalloc, and vmap when the memory
> is physically fully or partially contiguous.
> 
> ...
> 
> On the RK3588 8-core ARM64 SoC, with tasks pinned to a little core and
> the performance CPUfreq policy enabled, benchmark results:
> 
> * ioremap(1 MB): 1.35× faster (3407 ns -> 2526 ns)
> * vmalloc(1 MB) mapping time (excluding allocation) with
>   VM_ALLOW_HUGE_VMAP: 1.42× faster (5.00 us -> 3.53us)
> * vmap(100MB) with order-8 pages: 8.3× faster (1235 us -> 149 us)

Nice.

AI review found a bunch of things to ask about:
	https://sashiko.dev/#/patchset/20260514094108.2016201-1-jiangwen6@xiaomi.com

It doesn't appear that you'll be getting any more review on this
series, so please check the above questions and resend?