linux-kernel - Re: [PATCH] dmapool: push new blocks in ascending order

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Message-ID: <78dfd8ec-967e-2bd2-9b8c-b7338ed62049@linaro.org>
Date:   Tue, 21 Feb 2023 17:20:10 +0000
From:   Bryan O'Donoghue <bryan.odonoghue@...aro.org>
To:     Keith Busch <kbusch@...a.com>,
        Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Cc:     Keith Busch <kbusch@...nel.org>
Subject: Re: [PATCH] dmapool: push new blocks in ascending order

On 21/02/2023 16:54, Keith Busch wrote:
> From: Keith Busch <kbusch@...nel.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.
> 
> Fixes: ced6d06a81fb69 ("dmapool: link blocks across pages")
> Reported-by: Bryan O'Donoghue <bryan.odonoghue@...aro.org>
> Signed-off-by: Keith Busch <kbusch@...nel.org>

Tested-by: Bryan O'Donoghue <bryan.odonoghue@...aro.org>