Subj : [$] Using dma-bufs for read and write operations
To   : All
From : LWN.net
Date : Wed May 13 2026 06:40:09

The kernel's dma-buf
subsystem provides a way for drivers to share memory buffers, usually
in order to support efficient device-to-device I/O.  At the 2026 Linux Storage,
Filesystem, Memory Management, and BPF Summit, Pavel Begunkov, assisted
by Kanchan Joshi, led a joint session of the storage and memory-management
tracks to explore ways to make the use of dma-bufs more efficient yet, and
to make them available for read and write operations initiated by user
space.

https://lwn.net/Articles/1072317/
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