linux-kernel - Re: [PATCH v2 16/23] percpu: add first_bit to keep track of the first free in the bitmap

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Message-ID: <20170725192157.GP18880@destiny>
Date:   Tue, 25 Jul 2017 15:21:58 -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 16/23] percpu: add first_bit to keep track of the
 first free in the bitmap

On Mon, Jul 24, 2017 at 07:02:13PM -0400, Dennis Zhou wrote:
> From: "Dennis Zhou (Facebook)" <dennisszhou@...il.com>
> 
> This patch adds first_bit to keep track of the first free bit in the
> bitmap. This hint helps prevent scanning of fully allocated blocks.
> 
> Signed-off-by: Dennis Zhou <dennisszhou@...il.com>

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

Thanks,

Josef