linux-kernel - Re: [PATCH v2 21/23] percpu: use metadata blocks to update the chunk contig hint

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Date:   Tue, 25 Jul 2017 15:40:27 -0400
From:   Josef Bacik <josef@...icpanda.com>
To:     Dennis Zhou <dennisz@...com>
Cc:     Tejun Heo <tj@...nel.org>, Christoph Lameter <cl@...ux.com>,
        Josef Bacik <josef@...icpanda.com>,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        kernel-team@...com, Dennis Zhou <dennisszhou@...il.com>
Subject: Re: [PATCH v2 21/23] percpu: use metadata blocks to update the chunk
 contig hint

On Mon, Jul 24, 2017 at 07:02:18PM -0400, Dennis Zhou wrote:
> From: "Dennis Zhou (Facebook)" <dennisszhou@...il.com>
> 
> The largest free region will either be a block level contig hint or an
> aggregate over the left_free and right_free areas of blocks. This is a
> much smaller set of free areas that need to be checked than a full
> traverse.
> 
> Signed-off-by: Dennis Zhou <dennisszhou@...il.com>

Reviewed-by: Josef Bacik <jbacik@...com>

Thanks,

Josef