Re: [PATCH v2] mm/page_isolation: fix a deadlock with printk()

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On Tue 08-10-19 10:03:01, Qian Cai wrote:
[..]
> I don't think there is "removing useful messages" in this patch. That one
> printk() in __offline_isolated_pages() basically as Michal mentioned it is that
> useful, but could be converted to printk_deferred() if anyone objected.

"remove from free list" printk is quite dubious as I've said. And I
wouldn't be opposed to remove it altogether. It just swamps the low with
something that is of no real use. It might have been useful while
shaping and debugging the initial code but it has close to zero value
for end users. But it makes no sense to make to make it printk_deferred
on grounds mentioned so far.

-- 
Michal Hocko
SUSE Labs




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