From: Christoph Hellwig <hch@infradead.org>
To: Keith Busch <kbusch@meta.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Keith Busch <kbusch@kernel.org>,
Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Subject: Re: [PATCH] dmapool: push new blocks in ascending order
Date: Tue, 21 Feb 2023 10:02:34 -0800 [thread overview]
Message-ID: <Y/UHOohEMg+oyO8j@infradead.org> (raw)
In-Reply-To: <20230221165400.1595247-1-kbusch@meta.com>
On Tue, Feb 21, 2023 at 08:54:00AM -0800, Keith Busch wrote:
> From: Keith Busch <kbusch@kernel.org>
>
> Some users of the dmapool need their allocations to happen in ascending
> order. The recent optimizations pushed the blocks in reverse order, so
> restore the previous behavior by linking the next available block from
> low-to-high.
Who are those users?
Also should we document this behavior somewhere so that it isn't
accidentally changed again some time in the future?
next prev parent reply other threads:[~2023-02-21 18:02 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-21 16:54 [PATCH] dmapool: push new blocks in ascending order Keith Busch
2023-02-21 17:20 ` Bryan O'Donoghue
2023-02-21 18:02 ` Christoph Hellwig [this message]
2023-02-21 18:07 ` Keith Busch
2023-02-23 20:41 ` Andrew Morton
2023-02-24 18:24 ` Keith Busch
2023-02-24 22:28 ` Bryan O'Donoghue
2023-02-26 4:42 ` Andrew Morton
2023-02-27 17:20 ` Keith Busch
2023-02-28 1:25 ` Keith Busch
2023-02-28 2:14 ` Guenter Roeck
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