Re: [PATCH] struct file cleanup : the very large file_ra_state is now allocated only on demand.

[Andi Kleen]

> You don't want to always have bad performance though, so you
> could attempt to allocate if either the pointer is null _or_ it
> points to the global structure?

Remember it's after a GFP_KERNEL OOM. If that fails most likely
you have deadlocked somewhere else already because Linux's handling
of that is so bad. Suboptimal readahead somewhere is the smallest
of your problems.

-Andi
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