Messages in this thread | | | Date | Thu, 9 Jul 2015 11:58:25 +1000 | From | Dave Chinner <> | Subject | 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@fromorbit.com
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