linux-kernel - Re: [PATCH v6 1/2] mm/memblock: Add "reserve_mem" to reserved named memory at boot up

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Message-ID: <20240618120627.2002810a@rorschach.local.home>
Date: Tue, 18 Jun 2024 12:06:27 -0400
From: Steven Rostedt <rostedt@...dmis.org>
To: Zhengyejian <zhengyejian@...weicloud.com>
Cc: linux-kernel@...r.kernel.org, linux-trace-kernel@...r.kernel.org, Masami
 Hiramatsu <mhiramat@...nel.org>, Mark Rutland <mark.rutland@....com>,
 Mathieu Desnoyers <mathieu.desnoyers@...icios.com>, Andrew Morton
 <akpm@...ux-foundation.org>, Vincent Donnefort <vdonnefort@...gle.com>,
 Joel Fernandes <joel@...lfernandes.org>, Daniel Bristot de Oliveira
 <bristot@...hat.com>, Ingo Molnar <mingo@...nel.org>, Peter Zijlstra
 <peterz@...radead.org>, suleiman@...gle.com, Thomas Gleixner
 <tglx@...utronix.de>, Vineeth Pillai <vineeth@...byteword.org>, Youssef
 Esmat <youssefesmat@...gle.com>, Beau Belgrave <beaub@...ux.microsoft.com>,
 Alexander Graf <graf@...zon.com>, Baoquan He <bhe@...hat.com>, Borislav
 Petkov <bp@...en8.de>, "Paul E. McKenney" <paulmck@...nel.org>, David
 Howells <dhowells@...hat.com>, Mike Rapoport <rppt@...nel.org>, "Guilherme
 G. Piccoli" <gpiccoli@...lia.com>
Subject: Re: [PATCH v6 1/2] mm/memblock: Add "reserve_mem" to reserved named
 memory at boot up

On Tue, 18 Jun 2024 20:55:17 +0800
Zhengyejian <zhengyejian@...weicloud.com> wrote:

> > +	start = memblock_phys_alloc(size, align);
> > +	if (!start)
> > +		return -ENOMEM;
> > +
> > +	reserved_mem_add(start, size, name);
> > +
> > +	return 0;  
> 
> Hi, steve, should here return 1 ? Other __setup functions
> return 1 when it success.

Ug, you're correct.

Mike, want me to send a v7?

-- Steve