timekeeping_max_deferment(9)

🌸 timekeeping_max_deferment(9) — Kernel API Manual, but make it bestie 🌸

okay so welcome to the timekeeping_max_deferment(9) page in the Kernel API Manual ✨ manual-name moment folded in right here, because we are not wasting a whole header line, bestie 💅

🎀 NAME 🎀

timekeeping_max_deferment — returns the max time the clocksource can be deferred, and that's literally the whole name, no cap 🫶

✨ SYNOPSIS ✨

the vibe check is short and iconic: one function, zero drama, and a u64 coming back at you 💖

u64 timekeeping_max_deferment (void );

🦋 ARGUMENTS 🦋

• void — no arguments. not one. it's giving “nothing to pass, bestie” 😌🫶 periodt

🔥 SEE ALSO 🔥

okay so the whole friend group is here, and yes we're listing every single one because nobody gets left on read 💅✨

• Kernel file ./kernel/time/timekeeping.c
• struct tk_fast(9)
• tk_setup_internals(9)
• update_fast_timekeeper(9)
• ktime_get_mono_fast_ns(9)
• ktime_get_raw_fast_ns(9)
• ktime_get_boot_fast_ns(9)
• ktime_get_tai_fast_ns(9)
• ktime_get_real_fast_ns(9)
• halt_fast_timekeeper(9)
• pvclock_gtod_register_notifier(9)
• pvclock_gtod_unregister_notifier(9)
• timekeeping_forward_now(9)
• ktime_get_real_ts64(9)
• ktime_mono_to_any(9)
• ktime_get_raw(9)
• ktime_get_ts64(9)
• ktime_get_seconds(9)
• ktime_get_real_seconds(9)
• __ktime_get_real_seconds(9)
• ktime_get_snapshot_id(9)
• adjust_historical_crosststamp(9)
• ktime_real_to_base_clock(9)
• get_device_system_crosststamp(9)
• timekeeping_clocksource_has_base(9)
• do_settimeofday64(9)
• __timekeeping_inject_offset(9)
• timekeeping_notify(9)
• ktime_get_raw_ts64(9)
• timekeeping_valid_for_hres(9)
• read_persistent_clock64(9)
• read_persistent_wall_and_boot_offset(9)
• __timekeeping_inject_sleeptime(9)
• timekeeping_inject_sleeptime64(9)
• timekeeping_resume(9)
• update_wall_time(9)
• getboottime64(9)
• ktime_get_coarse_real_ts64_mg(9)
• ktime_get_real_ts64_mg(9)
• ktime_get_update_offsets_now(9)
• random_get_entropy_fallback(9)
• do_adjtimex(9)
• hardpps(9)
• ktime_get_aux(9)
• ktime_get_aux_ts64(9)

xoxo, signing off from the ./kernel/time source, dated October 2026, on the timekeeping_max_deferment(9) page — slay and stay timey 💖🦋