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| author | Pavel Begunkov <asml.silence@gmail.com> | 2022-07-25 12:52:05 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2022-07-25 18:48:25 +0300 |
| commit | 6a9ce66f4d0872861e0bbc67eee6ce5dca5dd886 (patch) | |
| tree | 81e66222f137d24bf38d367a9d29d4e91c6dd6c5 /io_uring/rsrc.h | |
| parent | 2e32ba5607ee2b668baa8831dd74f7cc867a1f7e (diff) | |
| download | linux-6a9ce66f4d0872861e0bbc67eee6ce5dca5dd886.tar.xz | |
io_uring/net: make page accounting more consistent
Make network page accounting more consistent with how buffer
registration is working, i.e. account all memory to ctx->user.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/4aacfe64bbb81b27f9ecf5d5c219c69a07e5aa56.1658742118.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'io_uring/rsrc.h')
| -rw-r--r-- | io_uring/rsrc.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/io_uring/rsrc.h b/io_uring/rsrc.h index 21813a23215f..f3a9a177941f 100644 --- a/io_uring/rsrc.h +++ b/io_uring/rsrc.h @@ -169,4 +169,13 @@ static inline u64 *io_get_tag_slot(struct io_rsrc_data *data, unsigned int idx) int io_rsrc_update(struct io_kiocb *req, unsigned int issue_flags); int io_rsrc_update_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe); + +int __io_account_mem(struct user_struct *user, unsigned long nr_pages); + +static inline void __io_unaccount_mem(struct user_struct *user, + unsigned long nr_pages) +{ + atomic_long_sub(nr_pages, &user->locked_vm); +} + #endif |