Re: [PATCH] slub: fix check_bytes() for slub debugging

[Akinobu Mita]

2011/8/9 Marcin Slusarz <marcin.slusarz@xxxxxxxxx>:

> I tested your patch to check if performance improvements of commit
> c4089f98e943ff445665dea49c190657b34ccffe come from this bug or not.
> And forunately they aren't - performance is exactly the same.

That's good to know.

> How did you find it?

When I tried to reuse it in mm/debug-pagealloc.c, I realized that
check_bytes() didn't work with 0xaa.
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