sq_flush_range(9)

💖 sq_flush_range(9) — the Kernel API Manual, bestie 💖

okay so welcome to the Kernel API Manual corner of the group chat ✨ this one is short, iconic, and very much giving “I flush one specific SQ range and I leave.”

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✨ NAME ✨

sq_flush_range — literally flush (prefetch) a specific SQ range, no cap 💅

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🌸 SYNOPSIS 🌸

void sq_flush_range (unsigned long start , unsigned int len );

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🎀 ARGUMENTS 🎀

• start — the store queue address where the flushing starts, periodt 📍
• len — the length to flush, aka how much of the vibe gets flushed 💫

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🦋 DESCRIPTION 🦋

So it flushes the store queue cache from start to start + len in a linear fashion. Linear! Straight through! No chaotic detours, just flush energy 🔥

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🌈 SEE ALSO 🌈

• Kernel file: ./arch/sh/kernel/cpu/sh4/sq.c
• Also peek at sq_remap(9), sq_unmap(9) 👑

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this lil page came from the ./arch/sh/kernel/cpu/sh4 source/version, dated October 2026 — mwah, bye bestie 🫶💖