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

From: Andrew Morton
Date: Thu May 14 2015 - 16:24:21 EST


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