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SubjectRe: Q: GFP_IO not in development kernels?
> 
> I was just looking and in the 2.0.3x series a allocation priority
> GFP_IO was added. This affected things like shrink_mmap.
>
> Looking in 2.1.76, always running behind I know, I noticed that GFP_IO
> has not been added. Was this an oversight or has the problem been
> solved in some other way?

I've added this prio to avoid mostly unnecessary swapping for a buffer page
under exterm stress (without we would get disk I/O in O(2)). The belowing
problem is (or should be:) solved in 2.1.6x and higher.

Werner

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