diff options
| author | Pavel Begunkov <asml.silence@gmail.com> | 2025-07-16 22:04:08 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-08-20 18:40:43 +0200 |
| commit | 6ced80a09bcc76a0bbca774da5fcc8bfc53b03c0 (patch) | |
| tree | 9603fdd266d14241044f1878b178cb0327e10e1e | |
| parent | 9c0b451627cd18a6f76e9e7efadb446a3839f1ef (diff) | |
io_uring: export io_[un]account_mem
commit 11fbada7184f9e19bcdfa2f6b15828a78b8897a6 upstream.
Export pinned memory accounting helpers, they'll be used by zcrx
shortly.
Cc: stable@vger.kernel.org
Fixes: cf96310c5f9a0 ("io_uring/zcrx: add io_zcrx_area")
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/9a61e54bd89289b39570ae02fe620e12487439e4.1752699568.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | io_uring/rsrc.c | 4 | ||||
| -rw-r--r-- | io_uring/rsrc.h | 2 |
2 files changed, 4 insertions, 2 deletions
diff --git a/io_uring/rsrc.c b/io_uring/rsrc.c index f2b31fb68992..2d5d66e792ec 100644 --- a/io_uring/rsrc.c +++ b/io_uring/rsrc.c @@ -55,7 +55,7 @@ int __io_account_mem(struct user_struct *user, unsigned long nr_pages) return 0; } -static void io_unaccount_mem(struct io_ring_ctx *ctx, unsigned long nr_pages) +void io_unaccount_mem(struct io_ring_ctx *ctx, unsigned long nr_pages) { if (ctx->user) __io_unaccount_mem(ctx->user, nr_pages); @@ -64,7 +64,7 @@ static void io_unaccount_mem(struct io_ring_ctx *ctx, unsigned long nr_pages) atomic64_sub(nr_pages, &ctx->mm_account->pinned_vm); } -static int io_account_mem(struct io_ring_ctx *ctx, unsigned long nr_pages) +int io_account_mem(struct io_ring_ctx *ctx, unsigned long nr_pages) { int ret; diff --git a/io_uring/rsrc.h b/io_uring/rsrc.h index 25e7e998dcfd..a3ca6ba66596 100644 --- a/io_uring/rsrc.h +++ b/io_uring/rsrc.h @@ -120,6 +120,8 @@ int io_files_update(struct io_kiocb *req, unsigned int issue_flags); int io_files_update_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe); int __io_account_mem(struct user_struct *user, unsigned long nr_pages); +int io_account_mem(struct io_ring_ctx *ctx, unsigned long nr_pages); +void io_unaccount_mem(struct io_ring_ctx *ctx, unsigned long nr_pages); static inline void __io_unaccount_mem(struct user_struct *user, unsigned long nr_pages) |