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(parent: 2d34427) | patch
io_uring/memmap: implement kernel allocated regions
authorPavel Begunkov <asml.silence@gmail.com>
Fri, 29 Nov 2024 13:34:31 +0000 (13:34 +0000)
committerJens Axboe <axboe@kernel.dk>
Mon, 16 Dec 2024 13:58:14 +0000 (06:58 -0700)
commitb4d45419aebc0af78b352962c863dc1939725d1a
treeeeaafc18f10318274b2d454927717e6728cfc0fftree
parent2d34427a257fdd1cb50e0c4fa869cb024492d343commit | diff
io_uring/memmap: implement kernel allocated regions

Allow the kernel to allocate memory for a region. That's the classical
way SQ/CQ are allocated. It's not yet useful to user space as there
is no way to mmap it, which is why it's explicitly disabled in
io_register_mem_region().

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/7b8c40e6542546bbf93f4842a9a42a7373b81e0d.1732886067.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
io_uring/memmap.c diff | blob | blame | history
io_uring/register.c diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)