Messages in this thread | | | Subject | RFC: Remove unnecessary / duplicate OOM printks | From | Joe Perches <> | Date | Thu, 25 Aug 2011 13:47:23 -0700 |
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There are many thousands of printks for OOM conditions in kernel sources.
These are almost always a duplication of a generic OOM message from the mm subsystem.
The biggest difference between the generic OOM and the specific OOM uses is that most of the specific messages are emitted at KERN_ERR but the generic message is at KERN_WARNING.
Many KB of code/text could be removed from the kernel.
Removal can be gradual and done by subsystem.
Some kmalloc's that are followed on failure by vmalloc may need to add GFP_NOWARN.
Does anyone really believe the per site failure messages are useful or really want them to keep them?
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