Re: [linux-next-20130422] Bug in SLAB?

Re: [linux-next-20130422] Bug in SLAB?

[Zhan Jianyu]

On Thu, Apr 25, 2013 at 8:20 PM, Tetsuo Handa
<penguin-kernel@i-love.sakura.ne.jp> wrote:
> Bisection (with a build fix from commit db845067 "slab: Fixup
> CONFIG_PAGE_ALLOC/DEBUG_SLAB_LEAK sections") reached commit e3366016
> "slab: Use common kmalloc_index/kmalloc_size functions".
> Would you have a look at commit e3366016?


Cc:   linux-mm@kvack.org



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Regards,
Zhan Jianyu

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Re: [linux-next-20130422] Bug in SLAB?

[Tetsuo Handa]

Zhan Jianyu wrote:
> > Bisection (with a build fix from commit db845067 "slab: Fixup
> > CONFIG_PAGE_ALLOC/DEBUG_SLAB_LEAK sections") reached commit e3366016
> > "slab: Use common kmalloc_index/kmalloc_size functions".
> > Would you have a look at commit e3366016?
> 
> 
> Cc:   linux-mm@kvack.org
> 

Thanks for ML for reporting, Zhan.

The thread starts from https://lkml.org/lkml/2013/4/24/234 .
This regression is about to be merged into linux.git.

Problem with debug options turned on:

  It hangs (with CPU#0 spinning) immediately after printing

    Decompressing Linux... Parsing ELF... done.
    Booting the kernel.

  lines.

Problem with debug options turned off:

  kmalloc() triggers oops when the requested size is too large.

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