From: Jens Axboe <axboe@kernel.dk>
To: Josh Triplett <josh@joshtriplett.org>, io-uring@vger.kernel.org
Subject: Re: Multiple mmap/mprotect/munmap operations in a batch?
Date: Thu, 23 Apr 2020 09:11:53 -0600 [thread overview]
Message-ID: <99e94e7d-fbb6-1a73-e03b-e8b4a15d886e@kernel.dk> (raw)
In-Reply-To: <20200423081918.GA172719@localhost>
On 4/23/20 2:19 AM, Josh Triplett wrote:
> What would it take for io_uring to support mmap, mprotect, and munmap
> operations?
Not very much, wiring up something like madvise as an example:
https://git.kernel.dk/cgit/linux-block/commit/?id=c1ca757bd6f4632c510714631ddcc2d13030fe1e
> What would it take to process a batch of such operations efficiently
> without repeatedly poking mmap_sem and such?
Probably just a bit of refactoring, to enable calling the needed helpers
with the mmap_sem already held.
--
Jens Axboe
next prev parent reply other threads:[~2020-04-23 15:11 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-23 8:19 Multiple mmap/mprotect/munmap operations in a batch? Josh Triplett
2020-04-23 15:11 ` Jens Axboe [this message]
2020-04-24 18:21 ` Ed Baunton
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