linux-kernel - Re: [PATCH v2 18/23] percpu: keep track of the best offset for contig hints

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Message-ID: <20170725192912.GR18880@destiny>
Date:   Tue, 25 Jul 2017 15:29:13 -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 18/23] percpu: keep track of the best offset for
 contig hints

On Mon, Jul 24, 2017 at 07:02:15PM -0400, Dennis Zhou wrote:
> From: "Dennis Zhou (Facebook)" <dennisszhou@...il.com>
> 
> This patch makes the contig hint starting offset optimization from the
> previous patch as honest as it can be. For both chunk and block starting
> offsets, make sure it keeps the starting offset with the best alignment.
> 
> The block skip optimization is added in a later patch when the
> pcpu_find_block_fit iterator is swapped in.
> 
> Signed-off-by: Dennis Zhou <dennisszhou@...il.com>

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

Thanks,

Josef