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SubjectRe: [PATCH] mm: Warn about costly page allocation
On Mon, 09 Jul 2012 at 08:46 GMT, Minchan Kim <> wrote:
>> WARN_ON_ONCE would tell you what is trying to satisfy the allocation.
> Do you mean that it would be better to use WARN_ON_ONCE rather than raw printk?
> If so, I would like to insist raw printk because WARN_ON_ONCE could be disabled
> If I miss something, could you elaborate it more?

Raw printk could be disabled by !CONFIG_PRINTK too, and given that:

config PRINTK
default y
bool "Enable support for printk" if EXPERT

config BUG
bool "BUG() support" if EXPERT
default y

they are both configurable only when ERPERT, so we don't need to
worry much. :)

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