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io_uring: enable io_mem_alloc/free to be used in other parts

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In preparation for using these helpers, make them non-static and add
them to our internal header.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Jens Axboe 2023-11-27 20:53:52 -07:00
parent 6f007b1406
commit edecf16897
2 changed files with 5 additions and 2 deletions
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4
io_uring/io_uring.c
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@ -2666,7 +2666,7 @@ static int io_cqring_wait(struct io_ring_ctx *ctx, int min_events,
return READ_ONCE(rings->cq.head) == READ_ONCE(rings->cq.tail) ? ret : 0;
}
static void io_mem_free(void *ptr)
void io_mem_free(void *ptr)
{
if (!ptr)
return;
@ -2778,7 +2778,7 @@ static void io_rings_free(struct io_ring_ctx *ctx)
}
}
static void *io_mem_alloc(size_t size)
void *io_mem_alloc(size_t size)
{
gfp_t gfp = GFP_KERNEL_ACCOUNT | __GFP_ZERO | __GFP_NOWARN | __GFP_COMP;
void *ret;

3
io_uring/io_uring.h
View file

@ -86,6 +86,9 @@ bool __io_alloc_req_refill(struct io_ring_ctx *ctx);
bool io_match_task_safe(struct io_kiocb *head, struct task_struct *task,
bool cancel_all);
void *io_mem_alloc(size_t size);
void io_mem_free(void *ptr);
#if defined(CONFIG_PROVE_LOCKING)
static inline void io_lockdep_assert_cq_locked(struct io_ring_ctx *ctx)
{