From: Jens Axboe <[email protected]>
To: Pavel Begunkov <[email protected]>, [email protected]
Subject: Re: [PATCH 4/6] io_uring: introduce memory regions
Date: Fri, 15 Nov 2024 07:44:40 -0700 [thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <cd8e0927651ecdb99776503e50aa3554573b9a61.1731556844.git.asml.silence@gmail.com>
On 11/13/24 9:14 PM, Pavel Begunkov wrote:
> +void io_free_region(struct io_ring_ctx *ctx, struct io_mapped_region *mr)
> +{
> + if (mr->pages)
> + unpin_user_pages(mr->pages, mr->nr_pages);
> + if (mr->vmap_ptr)
> + vunmap(mr->vmap_ptr);
> + if (mr->nr_pages && ctx->user)
> + __io_unaccount_mem(ctx->user, mr->nr_pages);
> +
> + memset(mr, 0, sizeof(*mr));
> +}
This is missing a kvfree(mr->pages);
--
Jens Axboe
next prev parent reply other threads:[~2024-11-15 14:44 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-11-14 4:14 [PATCH 0/6] regions, param pre-mapping and reg waits extension Pavel Begunkov
2024-11-14 4:14 ` [PATCH 1/6] io_uring: fortify io_pin_pages with a warning Pavel Begunkov
2024-11-14 4:14 ` [PATCH 2/6] io_uring: disable ENTER_EXT_ARG_REG for IOPOLL Pavel Begunkov
2024-11-14 4:14 ` [PATCH 3/6] io_uring: temporarily disable registered waits Pavel Begunkov
2024-11-14 4:14 ` [PATCH 4/6] io_uring: introduce memory regions Pavel Begunkov
2024-11-15 14:44 ` Jens Axboe [this message]
2024-11-15 15:54 ` Pavel Begunkov
2024-11-14 4:14 ` [PATCH 5/6] io_uring: add parameter region registration Pavel Begunkov
2024-11-14 4:14 ` [PATCH 6/6] io_uring: enable IORING_ENTER_EXT_ARG_REG back Pavel Begunkov
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