Re: [BUG] slab debug vs. L1 alignement

[Benjamin Herrenschmidt]

> >
> Hmm. That means slab debugging did it's job: The driver contains the 
> wrong assumption that all pointers are cache line aligned. Without slab 
> debugging, this would result in rare data corruptions in O_DIRECT apps. 
> With slab debugging on, it's exposed immediately.

As we discussed on IRC, I think SCSI host drivers (at least) can assume
beeing passed aligned buffers, if somebody don't agree, please speak
up ;) Christoph said that O_DIRECT has strict alignement rules too.

Ben.

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