time_after64(9)

💅 time_after64 — the is-it-later check for 64-bit jiffies

okay so bestie, welcome to time_after64 from the Kernel API Manual (section 9, kernel girlies rise) — this one's a tiny little inline and it's literally just gonna tell you if time a comes after time b. that's it. that's the whole vibe. 🎀

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✨ NAME ✨

time_after64 — returns true if the time a is after time b. 🦋

🌸 SYNOPSIS 🌸

time_after64 (a , b );

yes she's just a function-call-looking thing with two args. no cap. 💅

💖 ARGUMENTS 💖

• a — first comparable, typed as __u64 🫶
• b — second comparable, also __u64 ⭐

🔥 DESCRIPTION 🔥

okay so here's the thing, this is the version you reach for when you're working with jiffies_64 — like, the return value of get_jiffies_64 🕰️. if you're on the 64-bit jiffies train, this is your girl. don't be out here using the wrong one, iykyk. 💀

👑 RETURN 👑

true if time a is after time b, otherwise false. literally just a vibe check on the timeline, periodt. ✅

🧚 SEE ALSO 🧚

okay so the full squad, no one left behind 💜:

• Kernel file ./include/linux/jiffies.h
• get_jiffies_64(9)
• General information about time_* inlines(9)
• time_after(9)
• time_before(9)
• time_after_eq(9)
• time_before_eq(9)
• time_in_range(9)
• time_in_range_open(9)
• time_before64(9)
• time_after_eq64(9)
• time_before_eq64(9)
• time_in_range64(9)
• time_is_before_jiffies(9)
• time_is_before_jiffies64(9)
• time_is_after_jiffies(9)
• time_is_after_jiffies64(9)
• time_is_before_eq_jiffies(9)
• time_is_before_eq_jiffies64(9)
• time_is_after_eq_jiffies(9)
• time_is_after_eq_jiffies64(9)
• jiffies_to_msecs(9)
• jiffies_to_usecs(9)
• jiffies_to_nsecs(9)
• msecs_to_jiffies(9)
• secs_to_jiffies(9)
• usecs_to_jiffies(9)

fr fr read the whole time_* family, they're all iconic in their own way 🌈

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and that's the page!! sourced from ./include/linux, dated October 2026 — catch you in the next manpage bestie, mwah 🍓💋🫶