linux-kernel - Re: [PATCH] of: fdt: add size 0 check after page align

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Message-ID: <CAL_JsqKNGjKq3vcUPFiPa9JNq-8=oP=uBSD=tyKaPMH3cvAkww@mail.gmail.com>
Date: Mon, 4 Mar 2024 07:26:52 -0600
From: Rob Herring <robh+dt@...nel.org>
To: skseofh@...il.com
Cc: frowand.list@...il.com, devicetree@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] of: fdt: add size 0 check after page align

On Sat, Mar 2, 2024 at 8:03 AM <skseofh@...il.com> wrote:
>
> From: Daero Lee <skseofh@...il.com>
>
> After page aligning, the size may become zero. So I added exception
> handling code for size 0.

That may be true, but when would anyone only have memory regions of
less than 2 pages. In any case memblock_add will just do nothing. What
is the actual problem you are having?

Rob