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(parent: 0091bfc) | patch
io_uring: correct pinned_vm accounting
authorPavel Begunkov <asml.silence@gmail.com>
Tue, 4 Oct 2022 02:19:08 +0000 (03:19 +0100)
committerJens Axboe <axboe@kernel.dk>
Wed, 12 Oct 2022 22:30:56 +0000 (16:30 -0600)
commit42b6419d0aba47c5d8644cdc0b68502254671de5
treebaa4fb588eaebd1eb3c480ae08fb8e0b66ddf996tree | snapshot
parent0091bfc81741b8d3aeb3b7ab8636f911b2de6e80commit | diff
io_uring: correct pinned_vm accounting

->mm_account should be released only after we free all registered
buffers, otherwise __io_sqe_buffers_unregister() will see a NULL
->mm_account and skip locked_vm accounting.

Cc: <Stable@vger.kernel.org>
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/6d798f65ed4ab8db3664c4d3397d4af16ca98846.1664849932.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
io_uring/io_uring.c diff | blob | history
Domain: System / Kernel;