linux-kernel - Re: [PATCH v2 01/23] percpu: setup_first_chunk enforce dynamic region must exist

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Message-ID: <20170725180356.GA18880@destiny>
Date:   Tue, 25 Jul 2017 14:03:57 -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 01/23] percpu: setup_first_chunk enforce dynamic
 region must exist

On Mon, Jul 24, 2017 at 07:01:58PM -0400, Dennis Zhou wrote:
> From: "Dennis Zhou (Facebook)" <dennisszhou@...il.com>
> 
> The first chunk is handled as a special case as it is composed of the
> static, reserved, and dynamic regions. The code handles each case
> individually. The next several patches will merge these code paths and
> lay the foundation for the bitmap allocator.
> 
> This patch modifies logic to enforce that a dynamic region exists and
> changes the area map to account for that. This brings the logic closer
> to the dynamic chunk's init logic.
> 
> Signed-off-by: Dennis Zhou <dennisszhou@...il.com>

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

Thanks,

Josef