# Re: \[PATCH\] Increase default MLOCK\_LIMIT to 8 MiB

- From: Drew DeVault \<hidden\>
- Date: 2021-11-16 19:25:40 
- List: linux-api
- Page: https://ratatoskr.run/linux-api/2021/11/1576747
- Thread: https://ratatoskr.run/linux-api/2021/10/1556573/t.md

```text
On Tue Nov 16, 2021 at 8:21 PM CET, Vito Caputo wrote:
> Considering a single fullscreen 32bpp 4K-resolution framebuffer is
> ~32MiB, I'm not convinced this is really correct in nearly 2022.

Can you name a practical use-case where you'll be doing I/O with
uncompressed 4K framebuffers? The kind of I/O which is supported by
io_uring, to be specific, not, say, handing it off to libdrm.
```