Re: Can someone explain under what condition inode cache pages can be swapped out?

Jan Engelhardt wrote:
> > If my understanding is right, inode cache shrinker only frees the
> > reclaimable inodes, which means, if a lot of files are opened when
> > shrinker is activated, the shrinker may not find sufficient
> > reclaimable inodes to free enough space. What will Linux do under such
> > condition?
>
> Userspace will start to be swapped out to make room for kernel memory.
> And if the swap is full, the OOM killer comes into action and will kill
> programs.

The OOM-killing spree starts way before swap is full :(
see "swapping and oom-killer: gfp_mask=0x201d2, order=0" thread.


Thanks!

--
Al

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• References:
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    • From: "Xin Zhao" <[email protected]>
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    • From: Jan Engelhardt <[email protected]>

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