balance_ref_count(9)

🌈 balance_ref_count(9) 🌈

okay bestie, welcome to the balance_ref_count(9) page from the Kernel API Manual 💖. This is the one about catching up the channel reference count, and it's lowkey a tiny page, but we're gonna give it main character energy anyway. ✨

🌸 NAME 🌸

balance_ref_count — catch up the channel reference count 🎀

✨ SYNOPSIS ✨

the whole function signature, verbatim, no edits:

void balance_ref_count (struct dma_chan *chan );

🎀 ARGUMENTS 🎀

• chan — channel to balance ->client_count versus dmaengine_ref_count 💅

🦋 DESCRIPTION 🦋

Must be called under dma_list_mutex — that's the vibe check. If you're not holding dma_list_mutex, you're not doing it right, no cap. 🔥

🌈 SEE ALSO 🌈

Kernel file ./drivers/dma/dmaengine.c, plus the whole friend group:

• dev_to_dma_chan(9)
• struct dma_chan_tbl_ent(9)
• dma_chan_is_local(9)
• min_chan(9)
• dma_channel_rebalance(9)
• dma_chan_get(9)
• dma_chan_put(9)
• dma_find_channel(9)
• dma_issue_pending_all(9)
• dma_get_slave_channel(9)
• __dma_request_channel(9)
• dma_request_chan(9)
• dma_request_chan_by_mask(9)
• devm_dma_request_chan(9)
• dmaengine_get(9)
• dmaengine_put(9)
• dma_async_device_register(9)
• dma_async_device_unregister(9)
• dmaenginem_async_device_register(9)
• dma_wait_for_async_tx(9)
• dma_run_dependencies(9)

and that's the page, bestie 🫶. this lil manual page comes from ./drivers/dma and is dated October 2026 — signing off with sparkles, mwah 💋✨