dev_pm_qos_...cy_tolerance(9)

📦 version 7.3.1, in nixpkgs unstable

🌸 dev_pm_qos_hide_latency_tolerance — the Kernel API Manual, bestie edition 💅

okay so real talk, this page lives in the Kernel API Manual, and yes the title up top got truncated to dev_pm_qos_...cy_tolerance(9) because even man pages have a character limit and honestly? relatable. it's giving "main character with a long name who goes by a nickname." 🎀

✨ NAME ✨

dev_pm_qos_hide_latency_tolerance — the function that hides the latency tolerance from userspace. like, it puts the latency tolerance in witness protection. poof, gone from userspace's view. 🫶

🔥 SYNOPSIS 🔥

void dev_pm_qos_hide_latency_tolerance(struct device *dev);

that's it. that's the whole call. returns void, so no exit status to check, no drama, no "did it work" anxiety. it just does the thing. slay. ⭐

🦋 ARGUMENTS 🦋

  • dev — the struct device whose latency tolerance you're hiding. literally just point at the device and be like "not you, bestie, you're not on the userspace menu anymore." 💜
ngl there's exactly one argument here, so if you were bracing for a big list — nope, this is a one-argument icon. quality over quantity, periodt.

🌈 SEE ALSO 🌈

so this thing does not exist in a vacuum — it's part of the whole power-QoS friend group, and they all live in the kernel file ./drivers/base/power/qos.c. go say hi to the whole squad: 👑

like, notice how its whole opposite twin dev_pm_qos_expose_latency_tolerance(9) is right there at the bottom? expose and hide, two sides of the same coin, iykyk. 💖

🧚 the sign-off 🧚

and that's the tea! this whole page comes from the files under ./drivers/base/power, dated October 2026 — so it's basically from the future, which is very main-character of it. 💀✨

stay hydrated, read your qos.c, and remember: hiding latency tolerance from userspace is a valid life choice. bye bestie!! 🌸🦋💅

📦 where this page comes from