Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
io_uring: export io_[un]account_mem
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>
authored by
Pavel Begunkov
and committed by
Jens Axboe
11fbada7
0ebc9a7e
+4
-2
+2
-2
io_uring/rsrc.c
+2
-2
io_uring/rsrc.c
···
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return 0;
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}
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-
static void io_unaccount_mem(struct io_ring_ctx *ctx, unsigned long nr_pages)
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+
void io_unaccount_mem(struct io_ring_ctx *ctx, unsigned long nr_pages)
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{
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if (ctx->user)
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__io_unaccount_mem(ctx->user, nr_pages);
···
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atomic64_sub(nr_pages, &ctx->mm_account->pinned_vm);
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}
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-
static int io_account_mem(struct io_ring_ctx *ctx, unsigned long nr_pages)
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+
int io_account_mem(struct io_ring_ctx *ctx, unsigned long nr_pages)
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{
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int ret;
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+2
io_uring/rsrc.h
+2
io_uring/rsrc.h
···
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int io_files_update_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
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int __io_account_mem(struct user_struct *user, unsigned long nr_pages);
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+
int io_account_mem(struct io_ring_ctx *ctx, unsigned long nr_pages);
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+
void io_unaccount_mem(struct io_ring_ctx *ctx, unsigned long nr_pages);
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static inline void __io_unaccount_mem(struct user_struct *user,
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unsigned long nr_pages)