invalidate_icache_range(9)

Okay bestie, welcome to the Kernel API Manual — today’s main character is invalidate_icache_range(9), and we’re keeping every detail cute, exact, and intact. 💖

✨ NAME ✨

invalidate_icache_range — Flush the icache by issuing icbi across an address range. Periodt. 💅

🦋 SYNOPSIS 🦋

Here’s the whole signature, verbatim, no edits, no vibes-based rewriting:

void invalidate_icache_range (unsigned long start , unsigned long stop
);

It returns void — no return value to catch, no drama. 🫶

🎀 ARGUMENTS 🎀

• start — the start address. That’s where the range begins, bestie. 🌸
• stop — the stop address, and it is exclusive ((exclusive) in the original, so don’t forget). 🙈

🌈 SEE ALSO 🌈

The see-also section is stacked, ngl:

• Kernel file ./arch/powerpc/mm/cacheflush.c
• flush_coherent_icache(9)
• flush_icache_range(9)
• flush_dcache_icache_phys(9)
• __flush_dcache_icache(9)

Signing off from ./arch/powerpc/mm on October 2026, on the invalidate_icache_range(9) page — bye bestie, slay your cache flush 💖✨💅