linux-kernel - Re: [PATCH 00/11] mm: debug: formatting memory management structs

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Message-Id: <20150514132413.2a56b25489e0c644e68229bb@linux-foundation.org>
Date:	Thu, 14 May 2015 13:24:13 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Sasha Levin <sasha.levin@...cle.com>
Cc:	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	kirill@...temov.name
Subject: Re: [PATCH 00/11] mm: debug: formatting memory management structs

On Thu, 14 May 2015 13:10:03 -0400 Sasha Levin <sasha.levin@...cle.com> wrote:

> This patch series adds knowledge about various memory management structures
> to the standard print functions.
> 
> In essence, it allows us to easily print those structures:
> 
> 	printk("%pZp %pZm %pZv", page, mm, vma);
> 
> This allows us to customize output when hitting bugs even further, thus
> we introduce VM_BUG() which allows printing anything when hitting a bug
> rather than just a single piece of information.
> 
> This also means we can get rid of VM_BUG_ON_* since they're now nothing
> more than a format string.

A good set of example output would help people understand this proposal.
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