dma_heap_get_drvdata(9)

💖 dma_heap_get_drvdata(9) 💖

okay so bestie, welcome to the Kernel API Manual — yes we're reading kernel docs together, this is our bonding era 🫶 and this particular page is literally about grabbing the private data for a DMA-Heap. it's giving "short but mighty" ✨

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🌸 NAME 🌸

dma_heap_get_drvdata — get per-heap driver data. that's it, that's the whole vibe 💅 you hand it a heap, it hands you back the heap's very own private lil data bundle.

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🦋 SYNOPSIS 🦋

void * dma_heap_get_drvdata (struct dma_heap *heap );

so like, one argument, one pointer back. no cap, it's that simple 🔥 (and yes, the star goes with void, she's a void * return, we stan a pointer-returning icon 👑)

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🎀 ARGUMENTS 🎀

• heap — the DMA-Heap you wanna pull private data for. that's the one. give her the heap, she gives you the data 🙈

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⭐ RETURN ⭐

the per-heap data for the heap 💖 literally the heap's own private data, returned to you. main character energy from a one-line function, honestly 🌈

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💜 SEE ALSO 💜

• kernel file ./drivers/dma-buf/dma-heap.c
• struct dma_heap(9)
• dma_heap_get_name(9)
• dma_heap_add(9)

like, go read those too, they're the friend group 🧚 this page doesn't exist in a vacuum bestie, iykyk 💫

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ngl there's nothing scary on this page — no exit statuses, no signals, no "undefined behaviour incoming" energy. just a getter being a getter. slay 💅

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and that's the whole page!! mwah 😭 sourced from ./drivers/dma-buf, dated October 2026 — so she's fresh, she's current, she's literally from the future 🦋💖 periodt ✨