linux-kernel - Re: [PATCH 1/1] of: reserved_mem: fix reserve memory leak

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Message-ID: <CAOVJa8HmzvpAZBw7QJtMQsxyUGm7hMKaH7V6YZxHcL9E4J0q6w@mail.gmail.com>
Date:   Tue, 9 Apr 2019 10:11:38 +0800
From:   pierre kuo <vichy.kuo@...il.com>
To:     Rob Herring <robh+dt@...nel.org>
Cc:     Marek Szyprowski <m.szyprowski@...sung.com>,
        Frank Rowand <frowand.list@...il.com>,
        devicetree@...r.kernel.org,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/1] of: reserved_mem: fix reserve memory leak

hi Rob, Marek and Frank:

> > In this patch, we un-reserving memory ONLY if explicit compatible matching fail.
> > That mean driver found something wrong while matching and let OS know.
> > (But reserved-memory without compatible property will not be affected.)
> >
> > So per ur explaination, there would be cases that driver reported
> > matching memory fail,
> > but the memory is still needed by another processor?

Would you mind to give some comment and suggestion for this patch?

Sincerely appreciate ur kind help,