Re: FYI: mmap_sem OOM patch

From: David Rientjes
Date: Mon Jul 12 2010 - 17:48:20 EST


On Thu, 8 Jul 2010, KOSAKI Motohiro wrote:

> I disagree. __GFP_NOFAIL mean this allocation failure can makes really
> dangerous result. Instead, OOM-Killer should try to kill next process.
> I think.
>

That's not what happens, __alloc_pages_high_priority() will loop forever
for __GFP_NOFAIL, the oom killer is never recalled.
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