On 05/14/2015 04:24 PM, Andrew Morton wrote:
> 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.
That would be the equivalent of doing:
dump_page(page);
dump_mm(mm);
dump_vma(vma);
I'll add a few example usages in.
Thanks,
Sasha
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