Re: Possible memory allocation deadlock in kmem_alloc and hung task in xfs_log_commit_cil and xlog_cil_push

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On Wed, Jul 08, 2015 at 10:06:10PM +0800, juncheng bai wrote:
> Hi, All
> 
> As far as I know, the patch b3f03bac8132207a20286d5602eda64500c19724
> solves one case which big directory size.
> 
> I am not very familiar with xfs, but I think why can't we use vmalloc
> when kmalloc fails?

Because vmalloc space is greatly limited on 32 bit machines and
hence we can't just use vmalloc blindly in these situations.

Cheers,

Dave.
-- 
Dave Chinner
david@xxxxxxxxxxxxx

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